Antenna With Hexa-Band Capabilities for Multiple Wireless Applications

Abstract

In this paper, a novel multiband microstrip patch antenna with small frequency ratio is designed and analysed. One can design a multiband antenna at any desired frequencies through these proposed methods. The proposed antenna shows six operating frequencies with very small frequency ratio between two consecutive resonant frequencies 1.1248, 1.1123, 1.0792, 1.1469 and 1.3254 and can be used for various wireless applications, i.e., 2.5 GHz for UMTS and Wi-Fi, 2.812 GHz for CCTV with wireless video links, 3.128 GHz and 3.376 GHz for WiMAX, 3.872 GHz for C-band applications and 5.132 GHz for Lower WLAN. Design procedure and formation of all six bands are presented and discussed. Analysis is done by Ansoft HFSS v. 15 which is based on Finite Element Method (FEM), and simulated results are verified with experimental results of fabricated prototypes which are found in close agreement.

Compact and Hexaband Rectangular Microstrip Patch Antenna for Wireless Applications

“…Impedance of g /4 transformer is given by t in 0 Z = R ×Z . The width of g /4 transformer Wt is obtained by using equations (6) to (9). The length of g /4 transformer Lt is obtained by using equations (10) to (16) by replacing Z0 by Zt.…”

“…Mobile telephony systems for example, allow portable devices compliant with GSM900/DCS1800/ UMTS2000 technologies and the same devices will also link users to WLAN networks based on 802.11 standards (2.4/3.6/4.9/5/5.9GHz) specifications. Hence, it is of great interest to develop patch antenna with multiple resonances [4][5][6][7].Many researchers have made huge efforts to design slot/slit based antennas on the radiating patch and ground plane, which can be used for multiband operations [8][9][10][11][12][13][14].Reconfigurable antennas are still attracting many researchers for designing multiband antennas [15][16][17].Metamaterials are the promising new candidates for designing multiband antennas [18][19][20].Fractals have been investigated for multiband antenna operations [21,22].Stacking of antennas for multiband operation has also been investigated [23,24].…”

Metamaterial inspired triband offset feed rectangular monopole for wireless applications

“…In Fig. 8, the negative permittivity of OCSRR extracted with the help of the NRW method [37] v1 = s21 + s11 (8) v2 = s21 − s11 (9) s11 = re(s11) + j(im(s11)) ( 10) s21 = re(s21) + j(im(s21)) ( 11)…”

“…Defected ground structure not only provides the impedance bandwidth but also explores the multiband resonance. Usage of Slot [8][9][10], defected ground structures [11], fractal shapes [12], active and passive devices [13,14] are widely used in the realization of multiband operating. Although various techniques are used for multiband realization, the major disadvantage of this method is a complex design, increased size, and reduced gain.…”

Compact and Hexaband Rectangular Microstrip Patch Antenna for Wireless Applications

“…Mobile telephony systems for example, allow portable devices compliant with GSM900/DCS1800/ UMTS2000 technologies and the same devices will also link users to WLAN networks based on 802.11 standards (2.4/3.6/4.9/5/5.9GHz) specifications. Hence, it is of great interest to develop patch antenna with multiple resonances [4][5][6][7].Many researchers have made huge efforts to design slot/slit based antennas on the radiating patch and ground plane, which can be used for multiband operations [8][9][10][11][12][13][14].Reconfigurable antennas are still attracting many researchers for designing multiband antennas [15][16][17].Metamaterials are the promising new candidates for designing multiband antennas [18][19][20].Fractals have been investigated for multiband antenna operations [21,22].Stacking of antennas for multiband operation has also been investigated [23,24].…”