Cognitive network is a modern networking technology that utilizes both the radio spectrum
and the wireless station. The resources can be effectively utilized based on availability of …

The need for faster wireless connectivity is increasing rapidly in all the sectors of the
technologies. Whether it is a patient monitoring system, military application, entertainment …

Cognitive radio has emerged as a tempting solution for the spectrum scarcity problem. This
article focuses on the recent trends in energy efficient spectrum sensing techniques for the …

During the last decade, Cognitive Radio (CR) has become a popular research topic. The
availability of radio spectrum is in shortage, and CR technology can solve the problem by …

Cognitive radio (CR) is the enabling technology for supporting dynamic spectrum access:
the policy that addresses the spectrum scarcity problem that is encountered in many …

Problem of spectrum scarcity has not only affected cellular communication bands but is
continuously pushing freely available ISM bands to its limits. Devices which work in ISM …

The continuous growth of demand experienced by wireless networks creates a spectrum
availability challenge. Cognitive radio (CR) is a promising solution capable of overcoming …

The rapid growth in wireless communications has contributed to a huge demand on the
deployment of new wireless services in both the licensed and unlicensed frequency …

Natural frequency spectrum is scared resource; the efficient use of it can only accommodate
the need of future computing world. But efficient use of it is not possible within the existing …

Spectrum sensing is one of the most mandatory mechanisms of Cognitive Radio (CR) to find
the unused Spectrum. Spectrum sensing has renewed on a very active scrutiny area over …