Beam Steering of Wearable Antenna with Metamaterial Structures for Patient Monitoring

Abstract

At 5.2 GHz, in the industrial, scientific, and medical (ISM) sub-channels, a unique metamaterial (MTM) structure is used to tilt the beam and boost the directivity of a wearable antenna. The antenna substrate in this design is made of a typical jean cloth, which is a wearable and flexible material. The dielectric constant of normal denim fabric is 2.17, the thickness is 3.175 mm, and the tan (δ) value is 0.002. The antenna's radiation beam is steered in the right direction for healthcare purposes utilising this architecture. The radiation beam is slanted by 9 o in the E-plane, according to the simulation results. At 5.2 GHz, the gain was found to be 6.35 dB. Additionally, the specific absorption rate (SAR) is ideal for medicinal applications. The results show that the proposed antenna is a viable biomedical technology option.