Design and study of a microstrip slot antenna operating at 2.8/3.1/3.6/4.7/5.4 GHz

Abstract

Abstract.A novel design of a multi band microstrip antenna is presented in this work. The double modified U slots planar patch antenna is designed, simulated and fabricated to operate at 2.8 GHz (between 2.794 to 2.846 GHz), at 3.1 GHz (between 3.145 to 3.196 GHz), at 3.6 GHz (between 3.56 to 3.3.644 GHz), at 4.7 GHz (between 4.684 to 4.772 GHz) and at 5.4 GHz (between 5.423 to 5.526 GHz) for WiMAX/WLAN applications. One of the main challenges was keeping a low profile and low cost substrate (1.2mm and FR4 respectively) with penta-band frequency response without scarifying these characteristics. Each resonant frequency is accomplished by modifying each U slot and patch radiator itself. Simulations had been conducted using HFSS software and measured parameters such as reflection coefficient (S11 parameter) was performed with a vector network analyzer. Measured results confirm simulated results that the antenna could work within mentioned frequencies. Parametric study was conducted in order to study the effect of slots variation over the design.

Investigation of Split Ring Resonator Based Rectangular Micro-Strip Patch Antenna for Radar Communication

“…Ls = Ln + 6h (6) Ws = Wn + 6h (7) Where the above parameters are as follows c=speed of light which is approximately 3*10 8 m/s, fr is the resonant frequency, εr defines the dielectric constant or relative permittivity similarly εreff is the effective dielectric constant. Leff=effective Length and the Lp or L denotes the Length of the patch, Wp or W defines the Width of the patch Finally Ls and Ws represents Length and the width of the substrate respectively.…”

“…In order to substantiate the innovation of the designed structure the various parameters such as S11, antenna gain, VSWR and bandwidth are interpreted. For ensuring better efficiency, larger bandwidth and better radiation which are highly required in application like radar communication, a thick dielectric substrate of dielectric constant less than 10 is desirable [7,8]. One of the main focuses is to reduce the size of the structure by proper miniaturization techniques [9].…”

Design and performance analysis of 8‐port multi‐service quad‐band MIMO antenna for automotive communication

“…The ECC shows how well the single antenna elements are correlated between them. The ECC value is zero in ideal condition but in practical the acceptable limit is 0.5 6 . The ECC is calculated for two antennas each one plane from each plane (i.e., port 1 and port 8) using the far‐field (Equation 5).…”

“…The ECC value is zero in ideal condition but in practical the acceptable limit is 0.5. 6 The ECC is calculated for two antennas each one plane from each plane (i.e., port 1 and port 8) using the far-field (Equation 5). 22 The effectiveness of the diversity antenna is estimated using DG (Equation 6).…”

“…Similarly, the antenna in Reference 5 is designed with truncated ground plane using optical switch. A penta band planar antenna is proposed in References 6,7 by adding multiple stubs on ground plane and the slots are inserted to reduce the cross‐range current thus provides good performance at higher frequencies. A flower shaped tri‐band antenna with truncated ground plane has the radiation efficiency of less than 76% is proposed in Reference 8 for GPS and Wi‐Max applications.…”