In 5G systems, the current machine-tomachine communications using Wi-Fi or Bluetooth
provide a good opportunity to dramatically increase overall performance. Converged mobile …

Detection of cyclostationary primary user (PU) signals in colored Gaussian noise for
cognitive radio systems is considered based on looking for single or multiple cycle …

In this paper, an extensive review has been carried out on the trends of existing as well as
proposed potential enabling technologies that are expected to shape the fifth generation …

Increasing utilization of LTE-Advanced (LTE-A) to meet the rapid growth in wireless
bandwidth demand is an important focus for current research. Dynamic spectrum access …

Incorporation of orthogonal frequency division multiplexing (OFDM) in cooperative cognitive
radio network facilitates subcarrier sharing to achieve spatial diversity with opportunistic …

Conventional spectrum sharing approaches assume that an unlicensed user accessing a
licensed spectrum band autonomously operates by sensing (or detecting) the presence of …

Due to the propagation characteristics in the 2.5 GHz band, the signal is significantly
degraded by building entry loss (BEL), making coverage in indoor environments in some …

(57) ABSTRACT A method for managing spectrum resources by a network node in a
wireless communication system may include determining an availability of a first channel of …

Problem of opportunistic use of the unlicensed 5-GHz band for LTE carrier aggregation (LTE
unlicensed) is studied from the point-of-view of cognitive full-duplex transceivers. In this …

Cognitive radio (CR) is a novel methodology that facilitates unlicensed users to share a
licensed spectrum without interfering with licensed users. This intriguing approach is …