A reconfigurable wideband monopole antenna is introduced in this paper for cognitive radio
and wireless applications. The reconfigurability was achieved by four varactor diodes …

A frequency reconfigurable 4‐port integrated ultra‐wideband and narrowband antenna
structure for cognitive radio application is reported in this article. The proposed structure …

ABSTRACT A five port integrated antenna with high isolation for cognitive radio (CR)
application was investigated in this study. The design approach involves both the state of …

In this work, a dual‐port antenna system is simulated and fabricated for cognitive radio (CR)
application. The proposed system comprises a tapered‐fed monopole ultra‐wideband …

This paper presents the design of an arc-shaped near-isotropic self-complementary antenna
for spectrum sensing application. An arc-shaped dipole with horizontal and vertical arms is …

Soon, everything should be connected by 5G wireless, including wearable devices that are
booming fast recently. Wearable antennas are becoming increasingly common in consumer …

The present work explores the scope of cognitive radio networks (CRNs) to support the
spectrum demand on future diverse application specific wireless services supported by long …

This paper presents a five‐element antennas system formed by integrating one sensing and
four reconfigurable communicating antennas on a single substrate for cognitive radio …

This paper describes a compact size UWB rectangular planner monopole antenna with
impedance band from 7.6-15 GHz, having gain of 5.94 dBi which act like a sensing antenna …

This chapter presents an extensive report on the different categories of antenna modules for
the development of cognitive radio systems. It also discusses about the other key …