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An 8-port planar UWB MIMO antenna is proposed for 5G micro wireless access point applications in this paper. The proposed antenna is formed by integrating three monopole strips with different structures and resonant modes, thereby resulting in a much wider bandwidth to cover UWB high band (5.15–10.6 GHz) with S11 lower than −10 dB. High isolation (lower than −15 dB) and low ECC (lower than 0.02) are...
Design and analysis of an ultra-wide band antenna consisting extra radiating patch with bandwidth enhancement and band notch characteristic is presented. Antenna consists of an exciting rectangular patch on the front side and an extra radiating patch with π shaped slot on the backside of the substrate. By inserting a slot to the antenna, WLAN notched frequency band is achieved. A conceptual modal,...
This paper presents an UWB monopole antenna with rectangular slots on the patch and defected ground surface. The proposed antenna has a dimension of 25mm∗30mm∗1.6mm fabricated on FR4 dielectric substrate material with dielectric constant (εr) 4.4. The microstrip feed is incorporated to monopole with rectangular slots on both the ground plane and patch which produce the extra resonance frequencies...
A band notch applications based coplanar waveguide (CPW)-fed printed monopole UWB antenna is proposed. The CPW fed antenna has band notched attribute for UWB antenna. The proposed band notch UWB antenna consists of stepped like feed line, ground plane and rectangular patch, U-slot and C-slot to magnify the bandwidth of an UWB antenna. By removing C shaped slot and a U shaped slot from stepped rectangular...
In order to improve the notch performance for UWB monopole antennas, a synthesis design of single band-notched UWB antenna using the Single Split Ring Resonator SSRR and Complementary Split Ring Resonator CSRR, is presented. These techniques provide a wide rejection with enhancement of rejection level, due to the high coupling between the SSRR and the ground plane and the use of the CSRR dynamic resonance...
A planar ultra-wideband (UWB) antenna with quad notched bands is proposed and its performance is investigated in this paper. The designed UWB antenna consists of a rectangle-shaped radiating patch with tapers and a polygon ground plane with a rectangular slot. A rake-shaped resonator (RSR) and a pair of L-shaped slots (LSSs) are employed to achieve the desired four notched bands which are operated...
The ultra-wideband (UWB) antennas are required to cover high impedance bandwidth such that the return loss (RL) is greater than 10 dB with improved gain and radiation efficiency which are required for the different applications. In this UWB range (3.1–10.6 GHz), there are other applications, using narrow band frequency bands, such as WiMAX (3.3–3.7) GHz, WLAN (5.15–5.825) GHz and others. In this case...
In this paper, we propose a micro-strip antenna design for ultra-wide band (UWB) applications. The antenna has a deformed rectangular patch with diagonal cuts and circular edges replacing the sharp edges, a 50 Ω micro-strip feed line and partial ground with a single rectangular groove. These modifications were used to improve the bandwidth to up to 128%. The simulated parameters and analysis of the...
A compact printed monopole antenna array using neutralization line to reduce the mutual coupling is proposed. The antenna size is 40 × 80 mm2 with an impedance bandwidth of 3.1 to 12 GHz. Details of the antenna design and simulation results are presented and discussed. Both of the reflection coefficient and radiation characteristics achieve a good improvement.
In order to prevent the interference problem due to existing nearby communication systems within the UWB operating frequency, a synthesis design of single band-notched UWB antenna using the Complementary Split Ring Resonator CSRR is presented. A novel technique to obtain the notch function is proposed and analyzed, using the CSRR dynamic resonance frequency. This technique offers good filtering properties...
Compact ultra-wideband (UWB) antenna with dual band characteristics is presented. Simulation of the design is done using HFSS 12.1 and the return loss parameters of the design are presented. The design is an omega type in which by reducing the size and varying the centre position of the circle the dual band characteristics for the frequency of 3-3-5.1 GHz and 7.9–9.9 GHz with the bandwidth of 1.89...
This paper presents a compact-size co-planar waveguide (CPW) -fed antenna for ultrawideband (UWB) applications. The feeding structure of the proposed antenna is a fork-shaped type, and the ground plane is an open-loop type made of two L-shaped extended ground plane stubs. The size of this proposed antenna is only 26 × 20 × 0.8 mm3. The simulated 10-dB return loss bandwidth is 0.17 GHz (3.1-17.0 GHz),...
In this paper, dual band notch Multi-input Multi-output (MIMO) System of two U-shape patch antennas has been evolved for the UWB application. Spacing between two elements of antennas is 0.270λ0 at 3.1GHz for the UWB operation. To enhance isolation and increase bandwidth impedance, a fork shaped stubs added in the ground plane of the antenna. Due to interference with WIMAX (3.3–3.7 GHZ) and WLAN (5...
This paper has the objective of study the influence of complementary split ring resonator dimensions in an UWB microstrip patch antenna. A good agreement between capacitive effect and the different dimensions used could be observed and an antenna with an effective frequency range filter could be achieved to prevent 802.11a and 802.11n interference, as part of X band frequency.
A compact planar monopole antenna with dimensions of 34mm × 25mm × 1.6mm, which could provide an ultra-wide impedance bandwidth with the range from 2.40 GHz to 11.88 GHz is presented in this paper. The antenna consists of a small-sized ground plane, a hexagonal radiating patch, and two L-shaped parasitic strips close to the microstrip-line. Resorting to the two parasitic strips, two additional resonant...
A novel and compact planar monopole ultra wideband (UWB) antenna with dual band-notched characteristics is presented. To achieve an UWB, four circled concave profiles are employed into a U-shaped radiation patch corners with several modifications in antenna ground plane. The antenna is also modified to create two notches for WLAN and WiMAX. The antenna bandwidth covering the range 2.85 to 50 GHz with...
In order to maneuver over the ultra wideband range, several structures have been investigated with increased impedance bandwidth. In this context a three stacked conical ring dielectric resonator antenna has been proposed to operate beyond the ultra wideband range. The proposed antenna offers a fractional bandwidth of 161% with a monopole type radiation pattern. The enhanced bandwidth is due to the...
A compact and high gain of circular super-wideband (SWB) antenna is proposed in this article. The proposed antenna has a design of basic circular patch with partial ground and a copper reflector to realize gain and bandwith enhancement. The significant feature of this design is the cautious manufacturing of the feed line with additional of two microstrip lines between the patch and the feed line....
In this article, a UWB differentially-driven antenna incorporating a band-notch function is proposed. Two symmetrical C-shaped strips (TSCSS) on the ground plane were used to generate a band-notch within the return loss curve for the UWB antenna. Then, in order to improve the gain at the high-frequency band, a TSCSS is added on the feeding plane of the band-notched antenna. The Simulation results...
A novel dual-polarized patch antenna for ultra-wideband (UWB) applications is presented. The antenna consists of a square patch and four capacitively coupled feeds to enhance the impedance bandwidth. Each feed is formed by a vertical isosceles trapezoidal patch and a horizontal isosceles triangular patch. The four feeds are connected to the microstrip lines that are printed on the bottom layer of...
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