Application Examples

In this example, XFdtd is used to analyze a conical horn antenna to radiate a lower frequency band at 94 GHz and a tapered dielectric strip to carry the higher band of 340 GHz.

In this example a cylindrical dielectric resonator is simulated in XFdtd to show how the excitation of higher order modes HEM113 and HEM115 can be used to produce wide bandwidth good gain performance.

In this example, XFdtd is used to analyze two cylindrical dielectric resonator antennas (DRA) which have been developed for dual-polarization performance for different bands.

This example demonstrates how XFdtd simulates a 60 GHz cylindrical dielectric resonator antenna intended for wireless personal area network (WPAN) use.

In this example, a circularly polarized dielectric resonator antenna is simulated in XFdtd to generate return loss, gain patterns, broadside gain versus frequency, and axial ratio.

This example uses XFdtd to show the performance of a MU-MIMO WiFi router with antenna arrays for 2.4, 5, and 6-7 GHz ranges for 802.11a/b/g/n/ac uses with added capability for 802.11ax at 6 GHz.

A 60 GHz antenna array design is simulated in XF to demonstrate suitability for use on wireless Virtual Reality headsets. The final design is simulated mounted on a section of a virtual reality visor.

This example uses Wireless InSite’s diffuse scattering capability to perform simulations of an indoor wireless network and predict channel characteristics for millimeter wave frequencies.

This example uses XFdtd to simulate the performance of a low cost, chipless RFID system. The system is validated using two cross-polarized log periodic dipole arrays as the send and receive devices.

In this example, XFdtd and RLD are used to design and analyze a 28 GHz antenna array capable of forming multiple beams for 5G network base stations.

This example demonstrates how a custom beamforming table can be used to model downlink data rates from three MIMO base stations for 5G New Radio in a section of Boston.

A proposed smartphone design that includes a 4G antenna operating at 860 MHz and a 5G array at 28 GHz is analyzed in XFdtd to determine operating characteristics and any mutual coupling.

An antenna based on a transverse slotted rectangular waveguide design is realized in a substrate integrated waveguide structure and simulated in XFdtd EM Simulation Software.

This example demonstrates simulation results for beams and possible plots of coverage from the full array and combinations of sub-arrays.

Various designs of a dual-band antenna constructed from textile fabrics for use in a wearable application are evaluated using XFdtd.

Series-fed patch elements forming an array are simulated to demonstrate antenna performance and beamforming including S-parameters, gain, and effective isotropic radiated power (EIRP) at 28 GHz.

Performance of a 12-port handset antenna array operating in LTE bands 42/43 (3400-3800 MHz) and band 46 (5150-5925 MHz) is analyzed in XFdtd for varying hand hold positions on the device.

The following example investigates WiFi throughput coverage in a house provided by 802.11ac routers operating at 5 GHz using an 80 MHz bandwidth.

This example details the setup and execution of RCS calculations using XGtd’s X3D PO MEC model and compares the predictions to those made using XFdtd.