microwave/millimeter wave frequencies
Optimization of a Quasi Loss Less Air-Cavity Inverted Microstrip Line from Microwave to Millimeter-Wave Frequencies and Comparison with the Coplanar Goubau Line at 60 GHz
... Abstract—An inverted micro-strip line (IML) is proposed at microwave and millimeter wave frequencies. This IML on high resistivity silicon (HRS) is studied from 10 to 100 GHz and presents an ...
12
Two-dimensional deterministic photonic band gap structures based on the quasi- periodic sequences at millimeter wave frequencies
... electromagnetic wave is prohibited in certain frequencies ...in microwave domain is that can simultaneously act as filter and enhance antenna radiation properties significantly for a certain ...
8
Balancing Thermal and Electrical Packaging Requirements for GaN Microwave and Millimeter Wave High Power Amplifier Modules
... Prior work has shown electrical packaging can often dictate the performance of a product operating at microwave and millimeter-wave frequencies. For in- stance, in [1] it was shown that ...
8
Numerical Simulations of Nonlinear Interaction of Space Charge Waves in Microwave and Millimeter Wave Range in n InN Films Using Negative Differential Conductivity
... in microwave and millime- ter wave range in n-InN films have been carried ...and millimeter-waves frequency conversion using the negative differential conductivity phenomenon is carried out when the ...
8
A Novel Design And Simulation Of U-Shaped Microstrip Patch Antenna For Future 5G Mobile Communication
... The millimeter wave bands have obtained a wide range of research in recent times due to the availability of ultra broad spectrum bands in various application in domains especially in mobile ...mm ...
10
Integrated Circuit Signal Generation and Detection Techniques for Microwave and Sub Millimeter Wave Signals
... All of the above techniques share a few things in common: with the exception of techniques that affect the VCO gain, all of the above techniques mitigate the spur by reducing the control voltage ripple to a minimum, ...
218
Joint measure matrix and channel estimation for millimeter wave massive MIMO with hybrid precoding
... Millimeter-wave (mmWave) communication has been recognized as a promising technology for future 5G wire- less communications due to the abundant frequency spectrum resource in a mmWave band [1]. However, ...
11
Review and Assessment of Electromagnetic Wave Propagation in Sand and Dust Storms at Microwave and Millimeter Wave Bands --- Part I
... At frequencies up to 18 GHz, [15] evaluated the MW dielectric behaviour of soil-water mixtures and presented a semi empirical mixing model based upon the index of refraction as a function of water content and soil ...
10
Migration from Microwave to Millimeter-wave for Next Generation Mobile Communication Systems
... the microwave frequencies to the millimeter-wave frequency to solve the capacity ...the millimeter-wave technology and its contribution to the expectations for Next Generation ...
7
Simultaneous microwave and millimeter-wave signal generation with a 1310-nm quantum dot distributed feedback laser
... with frequencies ranging from a few GHz to over 100 GHz ...of microwave signals mainly using Quantum Well (QW) lasers ...for microwave and mm-wave signal generation has also started to receive ...
7
Review and Assessment of Electromagnetic Wave Propagation in Sand and Dust Storms at Microwave and Millimeter Wave Bands --- Part II
... A characteristic of the works to this level was the lack of sufficient information on dielectric constant and refractive index at higher microwave frequencies. This limited the attenuation calculation to ...
10
Millimeter wave imaging : a historical review
... passive millimeter wave camera operating at 89 GHz with a field of view of 15 x 10 degrees, an 18 inch aperture and a frame rate of 17 ...Monolithic Microwave Integrated Circuits ...different ...
14
Advanced Microwave/Millimeter-Wave Imaging Technology
... for frequencies well below the Bragg cuto ff ...mm-wave frequencies, high power handling capability, and low power consumption together with the ...
9
New Implementation of MM-Wave Heterodyne Receiver Based on Six-Port Technology: Circuit Characterization and High Data-Rate Demodulation Results
... The proposed approach is to design broadband six-port circuits that could support data-rates up to quasi-optical speeds and avoid calibration procedures. In order to improve the six-port circuit performances over an ...
13
Quasi deterministic millimeter wave channel models in MiWEBA
... Here, we present the quasi-deterministic (Q-D) chan- nel model and the link level-focused Canal Enregistré de Propagation Déterministe (CEPD) model, which have been developed and used within the ...
16
A Study on Millimeter-Wave Vehicular Communication
... Protocol for connecting vehicles is called dedicated short-range communication (DSRC). Using DSRC, it is possible to implement preliminary vehicle-to-vehicle (V2V)and vehicle-to-infrastructure (V2I) [5]. The National ...
7
Implementation of MMIC-Based Link for Data Transmission of Complex Modulated Signals in the E-Band
... This paper presents the wireless data transmission of complex modulated signals in the E-band using a MMIC-based link compared to the current state of the art in millimeter-wave wireless communication. ...
8
Dielectric properties of materials at microwave frequencies
... Experiments focused on the evaluation of the complex dielectric permitivity of diff erent materials have been performed. The permitivity of solid material is also measurable by phasemethod, when the specimen is a part of ...
8
High Impedance Surfaces Based Antennas for High Data Rate Communications at 40 GHz
... We have used the 3D EM simulator CST Microwave Studio to simulate the magnitude of transmission coefficients for N varying up to 6 (Figure 4). The strong modifications of the band gap shape both in width and depth ...
13
Design of high performance millimeter wave and sub millimeter wave quasi optical isolators and circulators
... of millimeter wave propagation is parallel to the magnetization axis within the ferrite (Faraday rotation), there is the additional complication of linear polarization rota- ...
9