In this article, a new multiband frequency reconfigurable substrate integrated waveguide
cavity slot antenna was designed using Computer Simulation Technology software tool for …

This paper proposes a hybrid, compact, low profile, and multi-port antenna system for
Cognitive Radio (CR). This system consists of a CPW fed sensing UWB monopole (2-11 …

This article discusses the design of a compact antenna system for spectrum interweaved
cognitive radio (CR). The system consists of a sensing filtenna and three communicating …

ABSTRACT A new reconfigurable band-notched ultra-wideband (UWB) dielectric resonator
antenna (DRA) has been designed and fabricated for cognitive radio (CR) applications. The …

Design of a frequency reconfigurable patch antenna is proposed in this paper. The designed
antenna is compact in size with overall dimension of 25 mm× 25 mm on FR-4 substrate with …

A four-port multi-operational antenna system is designed for Cognitive Radio application. It
consists of a sensing ultra-wideband antenna and three communicating narrowband …

A pattern reconfigurable patch antenna with dual band characteristic is investigated in this
paper. Two substrates with an air layer of 2 mm is used to design the antenna. Two radiators …

Cognitive radio technology utilizes the unused spectrum in the licensed band without
interfering with users in the licensed spectrum band. Primarily, cognitive radio research is …

In this proposed research work, an antenna which is reconfigurable for frequency is
presented. The antenna operates from 5.20 GHz to 8.60 GHz. To reconFigure the antenna …