Cognitive radios are expected to work in bands below about 3.5 GHz and may be used for a
variety of applications, eg, broadband fixed wireless access, mobile and nomadic access …

Multiple Input/Multiple Output (MIMO) systems, which rely on the availability of multiple
antenna elements on the side of wireless transmitters and receivers, have been a topic of …

In recent years, a wealth of research has emerged addressing various aspects of mobile
communications signal processing. New applications and services are continually arising …

A directional wideband measurement campaign was performed in urban macrocells at 2
GHz using a channel sounder and a 8-sensor linear antenna array at the base station …

We describe the design steps and final implementation of a MIMO OFDM prototype platform
developed to enhance the performance of wireless LAN standards such as HiperLAN/2 and …

This paper describes the work of the Antenna Department of France Telecom R&D
(Research and Development)-formerly CNET (Centre National d'Etudes des …

The performance of a new technology known as MIMO (Multi Input Multi Output), which
involves a state-of-the-art combination of MEAs (Multi Element Array) and digital signal …

We address the problem of estimating the second-order statistics of a frequency-selective
Rayleigh channel in the context of the wideband CDMA mode of the UMTS. The data to be …

Les techniques MIMO (Multiple Input-Multiple Output) constituent des solutions
prometteuses pour les futurs systèmes de communications sans fil à très haut débit. Ces …

The study addresses the limited performance of multi-input multi-output (MIMO) systems
under the real-life effects of spatial correlation and antenna mutual coupling. For this reason …