Results 11 to 20 of about 336,853 (296)
Efficient waveguide power combiners at mm‐wave frequencies
In this study, an efficient power combiner for mm‐wave frequency transmitters is investigated. The combiner is based on a parallel plate waveguide (PPW) excited with multiple parallel feeds.
Ralph M. vanSchelven +2 more
doaj +1 more source
Spherical mm-Wave/THz Antenna Measurement System
This paper presents an automatic characterization system for mm-wave antennas based on a spherical positioning system. It features network-analysis based far-field- and S-parameter measurement of probe- and waveguide-fed antennas between 220 GHz and 330 ...
Benedikt Sievert +3 more
doaj +1 more source
SIW Multibeam Antenna Array at 30 GHz for 5G Mobile Devices
This paper presents a new phased array of substrate integrated waveguide (SIW) monopoles, characterized by simple structure, high gain, and large coverage, resulting as a good candidate for next 5G mobile handsets.
Carla Di Paola +3 more
doaj +1 more source
This paper exhibits a high-gain, low-profile dipole antenna array (DAA) for 5G applications. The dipole element has a semi-triangular shape to realize a simple input impedance regime. To reduce the overall antenna size, a substrate integrated cavity (SIC)
Shaza El-Nady +3 more
doaj +1 more source
Coupled Array of Diverse Elements for Wideband High Spherical Coverage
We propose a flexible cluster array concept utilizing diverse antenna elements and the mutual coupling among them to improve the spherical coverage. This innovative approach can not only enhance the impedance matching but also improve the beamforming ...
Quangang Chen +4 more
doaj +1 more source
This paper presents a fully integrated linear power amplifier (PA) in a 65-nm CMOS process for mm-wave 5G applications. The proposed linear PA employs a compact symmetrical 4-way parallel–parallel power combiner with a third-order intermodulation ...
Hyunjin Ahn +3 more
doaj +1 more source
Sinusoidally Modulated Silicon Leaky Wave Antenna for sub-THz Applications
A new sub-THz leaky wave antenna based on grounded silicon substrate for chip to chip communication applications is presented. The proposed leaky wave antenna is based on sinusoidally modulated surface reactance.
B. M. Yousef +3 more
doaj +1 more source
Measurement of loss in superconducting microstrip at millimeter-wave frequencies [PDF]
We have developed a new technique for accurate measurement of the loss of superconducting microstrips at mm-wave frequencies. In this technique, we optically couple power to slot antenna, which is connected to one port of a hybrid coupler.
Aaron Miller +8 more
core +1 more source
Ray-Tracing-Based mm-Wave Beamforming Assessment
The use of large-size antenna arrays to implement pencil-beam forming techniques is becoming a key asset to cope with the very high throughput density requirements and high path-loss of future millimeter-wave (mm-wave) gigabit-wireless applications ...
Vittorio Degli-Esposti +10 more
doaj +1 more source
mm-Wave Silicon ICs: Challenges and Opportunities [PDF]
Millimeter-waves offer promising opportunities and interesting challenges to silicon integrated circuit and system designers. These challenges go beyond standard circuit design questions and span a broader range of topics including wave propagation ...
Hajimiri, Ali
core +1 more source

