In this paper, we provide a qualitative assessment of the spectrum usage across five
geographically separated sites in four mid-size metropolitan centers located in the United …

Inefficient spectrum usage is a crucial issue in wireless communications and methods for
dynamic spectrum access are proposed based on spectrum sensing methodology of the …

In this paper we present the results of spectrum occupancy measurements conducted in
different urban environments, in greater Melbourne area, Australia. We capture the dynamic …

There is need to develop better models and characterization methods for spectrum usage
and radio environments of cognitive radios. Currently different theoretical and simulation …

We study the 24-hour spectrum usage pattern in Singapore in the frequency bands ranging
from 80 MHz to 5850 MHz. The objectives are to find how the scarce radio spectrum …

Dynamic spectrum access is an integral part of the Cognitive Radio paradigm. However,
efficient spectrum sensing techniques are crucial on the way towards systems, which use …

In this paper we present results from a week long measurement campaign on spectrum use
in London (UK). The measurements were conducted in order to understand the …

This paper presents major results and comparisons of radio spectrum utilization
measurements that have been carried out in three different locations in Europe, namely in …

In this paper we report on spectrum use measurements carried out synchronously over the
period of 48+ hours in seven European cities. Special care has been placed on harmonizing …

Spectrum awareness is an essential part of Cognitive Radio (CR) systems that enables CR
systems to intelligently utilise the spectrum. Accurate modeling of spectrum utilization is …