Efficient spectrum sensing plays a vital role in opportunistic and dynamic spectrum access
for cognitive radios. Several spectrum sensing algorithms based on energy detection …

In this paper we compare several popular and top performing spectrum sensing algorithms
for cognitive radio under low signal to noise ratio scenario, namely the Energy Detection, the …

In this paper, an area and power efficient two-stage spectrum sensing scheme for cognitive
radios (CRs) is proposed. A typical parallel spectrum sensing using filter bank has …

Spectrum sensing is an important process in cognitive communication and must be
performed accurately. In this paper we propose a low complexity detector based on a …

Spectrum sensing is an essential function for cognitive radio systems. Based on the
observation that signal samples usually are correlated due to various reasons, such as …

Complexity required for spectrum sensing has been a critical barrier to implement cognitive
radio systems, especially when multiple channels to be covered. In this paper, we propose a …

The spectrum sensing problem has gained new aspects with cognitive radio and
opportunistic spectrum access approach. To identify the free spectrum is one of the most …

Spectrum sensing is a key component in cognitive radio networks, which allows secondary
users to communicate without causing harmful interference to primary users. Cyclostationary …

As the mobile communication environments grow rapidly, much attention has been paid on
the use of spectrum resources. Recently, a new technology called Cognitive Radio (CR) was …

Spectrum sensing is the key function in implementing cognitive radio, which enables
secondary users to identify and utilize vacant spectrum resource allocated to primary users …