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has been cited by the following article:

• TITLE: Compact Metamaterial Antenna with High Directivity for Bio-Medical Systems

  AUTHORS: Bose Anandhimeena, Palavesanadar Thiruvalar Selvan, Singaravelu Raghavan

  KEYWORDS: Double Negative Metamaterial, Back Propagation, Hexagonal Closed Ring Resonators

  JOURNAL NAME: Circuits and Systems, Vol.7 No.12, October 31, 2016

  ABSTRACT: In this paper, high directive antenna using metamaterial property is presented for wireless medical systems. The antenna is constructed by semi-circular patch and hexagonal closed ring resonator (HCRR). For medical applications such as wireless patient movement monitoring, telemetry and telemedicine, communication devices working at ISM band frequency is needed. Here, the requirement is completed with improved directivity such as 16 dBi. And also impedance matching also achieved with low reflection loss -20 dB. This antenna works for multiple frequency bands (Industrial, Scientific and Medical-ISM 2.45 GHz, WLAN 5.3 GHz and GSM 1.9 GHz) with improved directivity.