Higher integration and smaller layout size, two major trends in today's industry, lead to more prominent electromagnetic coupling with direct applications the RF/microwave area such as directional couplers, filters, multiplexers, shifters, delay lines, etc.In present work, an efficient hybrid-mode method is presented for a rigorous characterization of multilayer bilateral microwave circuits including anisotropy effects.Various types planar configurations were considered microstrip, finline...

In this letter, the spectral domain immittance-based approach is generalized for a fast and efficient design of bilateral microwave structures with multilayered anisotropic layers. This technique based on derivation dyadic Green's functions by introducing, first time, new conjoint admittance parameter. An original configuration three-line couplers computed validated using neural network models. Furthermore, numerical examples are presented close agreement obtained between simulated results...

In this work, an enhanced 3D frequency selective surface (FSS) patch antenna is proposed for 5G applications. A 23 to 26 GHz was first designed before improving its performance by adding a 3 × 5 unit cell two-layer 2D transmission FSS structure. Then, reflective walls were placed on the side edges of obtained structure in order focus incident field towards main lobe; aim being build without requiring printing technique. The total size 40 14 mm3. comparative study carried out between...

Purpose Characterisation and use of dielectric materials with high permittivity are one the most developed areas research in microwave circuit simulation. This is mainly because their various applications VHF/UHF frequencies (correlators, instrumentation systems, …). The primary virtue high‐dielectric substrates for circuits reduced size. Since microstrip line also exhibit low loss useful impedance range, this class will undoubtedly find wide integrated circuitry. Design/methodology/approach...

In this article, an efficient full-wave-mode algorithm has been developed to efficiently address industrial needs for rigorous characterization of electromagnetic compatibility shielding effects in anisotropic high-temperature superconducting microwave devices on lossy dielectric substrates multilayer configuration. Finite thickness and conductivity as well anisotropy the films have investigated. The proposed formulation uses spectral domain dyadic Green's functions stratified media. © 2011...

Abstract The ever‐growing use of anisotropic ferrite devices in modern wireless communication systems highlighted the need for robust design tools to reliably characterize dispersion behavior such radio frequency (RF)/microwave bands, especially multilayered configurations. Indeed, as ferrites present a biaxial anisotropy, spectral analysis configurations with substrates is not generalized, however, restricted some particular cases tensors. Therefore, this article deals characterization...

In this paper, we have analyzed and developed different types of algorithms related to 5G retainability mobility procedures for Non Standalone (NSA) (SA) mode. The is improved by reducing the total number radio link failures (RLF). This will require an optimization timers, such as: T310; Inactivity timers maximum control (RLC) retransmissions. new (NR) choose a good set values handover (HO) parameters. aim improve both key performance indicators (KPIs) tune main parameters NSA SA networks.

This paper presents an efficient hybrid-mode method for the modeling of suspended coplanar line. For this purpose, we used transverse resonance combined with formalism mathematical operators applied to electromagnetism, permitting thus analyze behavior structure in full-wave approach respect dispersion parameters. Several results are presented characteristic parameters versus its physical The obtained show good agreement those available scientific literature.

In this paper, we present an efficient variational technique for the analysis of characteristics multilayered directional couplers fabricated on anisotropic substrates a quasi-static approach. Numerical results are presented coupler designs in configurations. The variation its characteristic parameters with crystal axis offsets is also reported. It shown that high directivity can be achieved by making use substrate anisotropy conjunction top cover to equalize even and odd-mode phase velocities.

In this paper, we have analyzed the 5G peak data rate depending on radio parameters in different technology modes expressly Frequency Division Duplex and Time Duplex. Numerical results show optimized throughputs with respect to a flexible numerology for frequency range 1, 2 their spectral efficiency. We also shown that new radios structure type as well number of beams an impact overhead rate. obtained 14 Gbps Maximum Downlink throughput millimeter wave spectrum using carrier aggregation.

This paper proposes a novel design of multiband planar antenna array for 5G wireless communications based on linear 4-elements fed series printed RT5880 substrate operating across six bands from 20 GHz to 30 GHz. The has good radiation performances with gain 12.4 dB and return loss range between -15.58 -32.7 dB. compact size the (38 x 7 0.25) mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> makes it suitable candidate integration into...

This paper presents a full-wave FDTD analysis of open/shielded microstrip discontinuities on anisotropic substrates through the evaluation their S parameters. A wideband Gaussian pulse excitation was used to obtain frequency-domain information from dc up desired cutoff frequency. Numerical results demonstrate necessity include effect dielectric anisotropy in modeling discontinuities.

This paper investigates the performances of microstrip patch antennas printed on biaxial anisotropic substrates, suitable for wireless applications in WLAN band. The influence anisotropy resonance order as well impedance matching and directivity is evaluated. Simulated results show that antenna characteristics can be significantly improved by using substrates. A third was achieved with a good directivity.

In this paper, we have analyzed and developed different types of algorithms related to 5G accessibility procedures for Non Standalone (NSA) (SA) mode. The depends on radio parameters each procedure, such as contention based Random access (CBRA), free random (CFRA), Radio admission control (RAC), resource (RRC) bearer reconfiguration. procedure NSA is similar SA goal improve the by optimizing timers tune main channel (RACH), RRC reconfiguration RAC procedures.

In this paper, the spectral-domain approach has been used as an efficient method to investigate dispersive properties of anisotropic multilayered microwave circuits with arbitrary polarization optical axis. The analysis is based on Galerkin's via adequate choice basis functions while spectral dyadic Green's have derived a recursive algorithm. proposed was demonstrated through successful comparison data available in literature.

This paper presents an efficient hybrid-mode method for the characterization of anisotropy effect in unilateral finline structure. A general formulation diagonal tensor is presented and used to calculate more accurately propagation parameters structure versus its physical electrical parameters.