We present a 4-port Multiple-Input-Multiple-Output (MIMO) antenna array operating in the mm-wave band for 5G applications. An identical two-element excited by feed network based on T-junction power combiner/divider is introduced reported paper. The elements are rectangular-shaped slotted patch antennas, while ground plane made defected with rectangular, circular, and zigzag-shaped structure to enhance radiation characteristics of antenna. To validate performance, MIMO fabricated measured....

This work presents a 4-element multiple-input multiple-output (MIMO) antenna with single layered metasurface array for fifth generation (5G) millimeter-Wave (mm-Wave) communication systems. Each MIMO element is composed of 1×2 corporate feed network. Moreover, structure consisting 9×6 Circular Split Ring (CSR) shaped cells employed to improve the gain and isolation between elements. The proposed system realized using 0.787 mm thick Rogers RT Duroid 5880 substrate. performance investigated in...

The work in this article presents the design and realization of a low-profile, four-port MIMO antenna supporting fifth-generation (5G) wireless applications operating at millimeter-Wave (mm-Wave) band. Each is 2-element array fed with corporate feeding network, whereas single patch bow-tie slot center slits edges. vertical horizontal slots are incorporated as Defected Ground Structure (DGS) to optimize performance. In addition, slotted zig-zag decoupling structure etched from edge on top...

Smartphones are context-aware devices that provide a compelling platform for ubiquitous computing and assist users in accomplishing many of their routine tasks anytime anywhere, such as sending receiving emails. The nature conducted with these has evolved the exponential increase sensing capabilities smartphone. Due to ease use convenience, tend store private data, personal identifiers bank account details, on However, this sensitive data can be vulnerable if device gets stolen or lost. A...

Much attention has been paid to the recognition of human emotions with help electroencephalogram (EEG) signals based on machine learning technology. Recognizing is a challenging task due non-linear property EEG signal. This paper presents an advanced signal processing method using deep neural network (DNN) for emotion signals. The spectral and temporal components raw are first retained in 2D Spectrogram before extraction features. pre-trained AlexNet model used extract features from each...

This work demonstrates an integrated multiple-input multiple-output (MIMO) antenna solution for Long Term Evolution (LTE) and Millimeter-Wave (mm-wave) 5G wireless communication services. The proposed structure is comprised of a two-element LTE MIMO antenna, four-element configuration with rectangular circular defects in the ground plane. For experimental validation, fabricated on Rogers RO4350B substrate 0.76 mm thickness. overall dimensions are 75 × 110 mm. capable operating at 5.29-6.12...

In this communication, a biotelemetry device for scalp implantation is proposed with an ultraminiaturized and simple-structured implantable antenna that exhibits dual-band characteristics in the industrial, scientific, medical bands (915 MHz 2.45 GHz). The system incorporates two batteries microelectronic components total volume of 434.72 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> . recommended has reduced 9.8 (7 × 7 0.2 mm),...

In this work, an integrated antenna system with Defected Ground Structure (DGS) is presented for Fourth Generation (4G) and millimeter (mm)-wave Fifth (5G) wireless applications handheld devices. The proposed design overall dimensions of 110 mm × 75 modeled on 0.508 thick Rogers RT/Duroid 5880 substrate. Radiating structure consists arrays excited by the T-shape 1 2 power divider/combiner. Dual bands 4G centered at 3.8 GHz 5.5 are attained, whereas 10-dB impedance bandwidth 24.4 - 29.3...

With the tremendous demand for connectivity anywhere and anytime, existing network architectures should be modified. To cope with challenges that arise due to increasing flood of devices/users a diverse range application requirements, new technologies concepts must integrated enable their benefits. Service providers business companies are looking areas research enhance overall system performance. This article gives detailed survey about recent 5G technologies, solutions they provide, effect...

In this study, an ultra–miniaturized implantable antenna based system with ultra-wideband characteristics in the industrial, scientific, and medical band (i.e., 2.4–2.48 GHz) is proposed for biomedical applications. A biocompatible flexible liquid crystalline polymer material, Rogers ULTRALAM (tan <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\delta =0.0025$ </tex-math></inline-formula>...

Nowadays, structural health monitoring and thermal contemplation of remote places are serious significance. In this scenario, chipless radio frequency identification (RFID) sensors the vital enablers to monitor circumstances in low-cost pervasive network. This letter presents a compact 7-bit RFID multiparameter sensor designed on smart Rogers RT/Duroid <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">®</sup> 6010.2LM material. The material alters...

Ischemic Cardiovascular diseases are one of the deadliest in world. However, mortality rate can be significantly reduced if we detect disease precisely and effectively. Machine Learning (ML) models offer substantial assistance to individuals requiring early treatment detection realm cardiovascular health. In response this critical need, study developed a robust system predict ischemic accurately using ML-based algorithms. The dataset obtained from Kaggle encompasses comprehensive collection...

A compact, flexible 24-b dual-polarized chipless radio frequency identification tag with a size of 20.6mm × 19.9mm is realized. The structure optimized and analyzed for Taconic, Kapton TIN organic substrate. prototype fabricated on TIP photopaper silver nanoparticles-based conductive ink exhibiting behavior moisture sensor. proposed sensor has bandwidth 13.5GTIz. direct printability makes it suitable intelligent packaging various low-cost applications.

A novel, cedar-shaped, coplanar waveguide-fed frequency reconfigurable antenna is proposed. The presented uses low-cost FR4 substrate with a thickness of 1.6 mm. Four PIN diodes are inserted on the surface to variate current distribution and alter resonant frequencies different combinations switches. proposed fabricated measured for all states, good agreement seen between simulated results. This resonates within range 2 GHz 10 GHz, covering major wireless applications aviation service, local...

In this paper, a compact and fully passive bit encoding circuit, capable of operating as chipless radio frequency identification (RFID) tag is presented. The structure consists novel concentric trefoil-shaped slot resonators realized using Rogers RT/duroid <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">®</sup> 5880 laminate, occupying physical footprint 13.55 $\times $ mm xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> . Each resonating...

A compact, conformal, all-textile wearable antenna is proposed in this paper for the 2.45 GHz ISM (Industrial, Scientific and Medical) band. The integrated design consists of a monopole radiator backed by 2 × 1 Electromagnetic Band Gap (EBG) array, resulting small form factor suitable wristband applications. An EBG unit cell optimized to work desired operating band, results which are further explored achieve bandwidth maximization via floating ground. made association with layer produce...

A fully metallic ink-jet printed passive chipless RFID tag on paper substrate is presented. The consists of an ultra-wide-band antenna, a microstrip transmission line with distributed shunt capacitors as information coding element which reconfigurable by printing process. Tapered employed to overcome the limitations low conductivity and thin film thickness metal tracks. Measurement results show that features robust readability over 80 cm reading distance high data rate 1.67 Gb/s.

A 30 bit high‐density circular chipless RF identification tag based on C‐shaped open end polarisation independent slots is presented. The encoding capacity of this design enhanced in a compact size. Patch diameter the 24 mm. Circularly polarised incident plane waves are used for excitation. Data bits achieved frequency band 3.1–11.7 GHz. Spectral signature‐based radar cross‐section results also measured flexible and temperature sensor integrated design. prototype inkjet printed Kapton ® HN...

This communication presents two compact and Hexible Hower-shaped coplanar waveguide (CPW)-fed antennas (Antenna-1 Antenna-2) for high data wireless applications. The radiators of the proposed are backed by a biocompatible polyamide substrate (εr = 4.3 tanδ 0.004) with 0.025 mm thickness. both designed introducing rounded slots in basic circular shape attaching branches 50 Ω microstrip line. Antenna-1 provides resonance 3.5 GHz WiMAX band total bandwidth gain 484 MHz (3.3-3.784 GHz) 1.88 dBi,...

This communication presents a polarization reconfigurable antenna array (PRAA) with Multi-input Multi-output (MIMO) formation for 5th generation (5G) millimeter wave (mm-Wave) communications. At first single corner curtailed diagonal slotted cylindrical patch is printed on Roger RT Duriod 5880 and the overall size of 12 × 0.787 mm3. The circular (CP) realized by adding slot in patch. design extended into two elements which occupies 20 mm3 footprint. collection formed using T-shaped power...

The optimal design of Multiple-Input Multiple-Output (MIMO) antennas is significant for next-generation smartphone solutions with the appearance further communication. This paper describes design, simulation, and measurements a ten-element MIMO antenna n79 at 4.4–5.0 GHz, n102 5.925–6.425 n104 6.425–7.125 GHz ranges that will be implemented in today’s smartphones. proposed system has maximum dimension 158 mm × 60 use low-cost FR-4 as dielectric material. procedure carried out lot care to...

This letter presents the design, simulation, fabrication, and characterization of an <i xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">LC</i> -resonator-based chipless RFID tag. The ID-generating circuit is designed based on a reconfigurable resonance circuit. Phase position modulation (PPM) coding used for enhancement capacity. tag has been realized packaging paper using all printing technique. In overprinting process investigated as effective...