Application of narrow rectangular slotted ground plane structures in isolation enhancement of linear microstrip slot antenna arrays for performance improvement of MIMO communication systems

2007 ◽  
Author(s):  
Babak Honarbakhsh ◽  
Ahad Tavakoli
Keyword(s):  
Performance Improvement ◽  
Antenna Arrays ◽  
Communication Systems ◽  
Ground Plane ◽  
Slot Antenna ◽  
Mimo Communication

Arrow Patch-Slot Antenna for 5G Lower Frequency Band Communications

2021 ◽  
Vol 35 (11) ◽  
pp. 1418-1419
Author(s):  
Yuhao Feng ◽  
Yiming Chen ◽  
Atef Elsherbeni ◽  
Khalid Alharbi
Keyword(s):  
Antenna Arrays ◽  
Coplanar Waveguide ◽  
Ground Plane ◽  
Base Stations ◽  
Slot Antenna ◽  
Main Beam ◽  
Antenna Element ◽  
Single Element ◽  
Rectangular Slot ◽  
Compact Size

A compact size arrow shaped patch in a rectangular slot antenna is designed for 5G communications in the lower 3 to 6 GHz band. The antenna element is fed through a coplanar waveguide with partial ground plane for better impedance matching with 50 Ohms across the entire band. The maximum gain of a single element is 3.8 dB at 3.7 GHz, while for linear arrays of 5 and 15 elements with uniform excitation the maximum gains are 10.9 dB and 16 dB, respectively. The 5 and 15 elements arrays provide scanning range with no significant degradation of the main beam up to 30˚ and 45˚, respectively. The properties of this antenna element makes it suitable for 5G wireless mobile devices and miniaturized base stations antenna arrays.

scholarly journals Planar Inverted F Antenna, PIFA Array in 5G applications

2021 ◽  
Vol 2062 (1) ◽  
pp. 012002
Author(s):  
Krishanu Kundu ◽  
Avneesh Dubey ◽  
Ankur Dhama ◽  
Narendra Nath Pathak
Keyword(s):  
Mobile Devices ◽  
Antenna Arrays ◽  
Communication Systems ◽  
Ground Plane ◽  
Dual Band ◽  
Wide Range ◽  
Data Volume ◽  
Single User ◽  
Comprehensive Study ◽  
Pifa Antenna

Abstract Planar inverted F antenna (PIFA) is mainly fit for mobile devices. PIFA is mostly designed for dual band frequencies as it is capable of covering wide range of wireless services. This in turn helps in making it acceptable for designing mobile devices. Sizes of ground plane as well as PIFA’s position with respect to ground plane actually effect the performance of PIFA. For example, placement of PIFA at corner of ground plane shows good radiation pattern. Major prerequisite of 5G is nothing but the capability to enhance data volume to every single user, while supporting majority of mobile users as well as new maneuvers. The best part is advanced antenna array technologies are able to meet such requirements. Although PIFA antenna has gained popularity in designing mobile handsets, because of light weight, lower cost as well as higher directivity, PIFA antenna Arrays have been proved to be strong foundation for future 5G Mobile Communication Systems as PIFA Arrays provide better gain than single PIFA antenna in same frequency band. Current work presents a comprehensive study on so far impact of PIFA as well as PIFA Array in providing infrastructure for future mobile innovations suitable for 5G communication.

scholarly journals Capacity Optimization of MIMO Systems Involving Conformal Antenna Arrays using a Search Group Algorithm

2020 ◽  
Vol 5 (4) ◽  
pp. 209-214
Author(s):  
Abdelmadjid RECIOUI
Keyword(s):  
Wireless Communication ◽  
Antenna Arrays ◽  
Communication Systems ◽  
Mimo Systems ◽  
Mimo System ◽  
Wireless Communication Systems ◽  
Capacity Optimization ◽  
Mimo Communication ◽  
Conformal Antenna

MIMO systems constitute a backbone of the fourth and fifth generations of wireless communication systems. The purpose of this paper is to introduce the involvement of conformal antenna arrays into MIMO systems. The Search Group Algorithm (SGA) is then used to further enhance the capacity of MIMO system employing conformal antenna arrays at both ends (Transmitter; Tx and Receiver; Rx). The results reveal that compared to the linear and 2D cases, conformal antenna arrays promise higher capacity values which motivates their employment in future MIMO communication systems.

scholarly journals Multi-User Massive MIMO Communication Systems Based on Irregular Antenna Arrays

2016 ◽  
Vol 15 (8) ◽  
pp. 5287-5301 ◽  
Author(s):  
Xiaohu Ge ◽  
Ran Zi ◽  
Haichao Wang ◽  
Jing Zhang ◽  
Minho Jo
Keyword(s):  
Antenna Arrays ◽  
Massive Mimo ◽  
Communication Systems ◽  
Mimo Communication

scholarly journals Antenna Mutual Coupling Suppression Over Wideband Using Embedded Periphery Slot for Antenna Arrays

Electronics ◽  
2018 ◽  
Vol 7 (9) ◽  
pp. 198 ◽  
Author(s):  
Mohammad Alibakhshikenari ◽  
Bal Virdee ◽  
Panchamkumar Shukla ◽  
Chan See ◽  
Raed Abd-Alhameed ◽  
...  
Keyword(s):  
Antenna Arrays ◽  
Communication Systems ◽  
Mutual Coupling ◽  
Low Cost ◽  
New Approach ◽  
Mimo Communication ◽  
Low Profile ◽  
X Band ◽  
Antenna Configuration ◽  
Patch Attributes

This paper presents a new approach to suppress interference between neighbouring radiating elements resulting from surface wave currents. The proposed technique will enable the realization of low-profile implementation of highly dense antenna configuration necessary in SAR and MIMO communication systems. Unlike other conventional techniques of mutual coupling suppression where a decoupling slab is located between the radiating antennas the proposed technique is simpler and only requires embedding linear slots near the periphery of the patch. Attributes of this technique are (i) significant improvement in the maximum isolation between the adjacent antennas by 26.7 dB in X-band and >15 dB in Ku and K-bands; (ii) reduction in edge-to-edge gap between antennas to 10 mm (0.37 λ); and (iii) improvement in gain by >40% over certain angular directions, which varies between 4.5 dBi and 8.2 dBi. The proposed technique is simple to implement at low cost.

A Low-Profile Broadband Circularly Polarised Wide-Slot Antenna with an Artificial Magnetic Conductor Reflector

2021 ◽  
Vol 36 (6) ◽  
pp. 740-746
Author(s):  
Fangfang Fan ◽  
Xiao Fan ◽  
Xiaoyu Wang ◽  
Zehong Yan
Keyword(s):  
Communication Systems ◽  
Ground Plane ◽  
Axial Ratio ◽  
High Gain ◽  
Slot Antenna ◽  
Magnetic Conductor ◽  
Average Gain ◽  
Artificial Magnetic Conductor ◽  
Low Profile ◽  
Metal Plates

In this letter, a novel broadband circularly polarisation (CP) wide-slot antenna with an artificial magnetic conductor (AMC) as the reflector is presented. The wide-slot antenna is composed of a knife-shaped radiator and an improved ground plane. A broadband CP characteristic can be achieved by slotting the ground plane to make it an asymmetric ground shape. However, the average gain of the wide-slot antenna is only about 3 dBic because of bidirectional radiation. An AMC reflector is adopted to enhance the gain of the wide-slot antenna without introducing a high profile similar to the PEC reflector. In addition, the four metal plates are vertically placed around the antenna to broaden the axial ratio (AR) bandwidth of the antenna with the AMC reflector. The measurement results show that the 3dB AR bandwidth of the proposed CP antenna is 32.4% (2.35GHz─3.26GHz), the average gain is 6.5dBic in the AR bandwidth and the value of VSWR in the AR bandwidth is less than 2. The size of the antenna is 0.84λ0× 0.84λ0× 0.13λ0 at the centre frequency of 2.805 GHz. The proposed antenna has a low profile, broad AR bandwidth and high gain, thereby being a good candidate for various wireless communication systems.

Moment method analysis of infinite stripline-fed tapered slot antenna arrays with a ground plane

1994 ◽  
Vol 42 (8) ◽  
pp. 1161-1166 ◽  
Author(s):  
D.H. Schaubert ◽  
J.A. Aas ◽  
M.E. Cooley ◽  
N.E. Buris
Keyword(s):  
Antenna Arrays ◽  
Moment Method ◽  
Ground Plane ◽  
Slot Antenna ◽  
Method Analysis

scholarly journals Compact Multiband Slot Antenna for WLAN/WiMAX Operations

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
Jianhui Bao ◽  
Qiulin Huang ◽  
Xinhuai Wang ◽  
Xiaowei Shi
Keyword(s):  
Wireless Communication ◽  
Communication Systems ◽  
Microstrip Line ◽  
Ground Plane ◽  
Radiation Characteristic ◽  
Experimental Results ◽  
Slot Antenna ◽  
Wireless Communication Systems ◽  
Resonant Modes ◽  
Triple Band

A novel compact triple-band slot antenna is proposed for WLAN/WiMAX applications. With the use of three L-shaped slots and an open-ended slot on the ground plane, three resonant modes centered at 2.4/3.5/5.8 GHz are excited. These modes cover the standards of 3.5 GHz WiMAX and 2.4/5.8 GHz WLAN, three useful frequency bands for present wireless communication systems. The proposed antenna fed by L-shaped microstrip line has a small overall dimension of16×30 mm2. The numerical and experimental results show that acceptable radiation characteristic is obtained over the operating bands.

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