RF-RADIO FREQUENCY-2020


Radio frequency is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around 20 kHz to around 300 GHz.

Balanced electroabsorption modulated RF photonic link
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Balanced RF photonic links are of great interest because they can suppress laser relative intensity noise (RIN) and amplified spontaneous emission noise (ASE) from optical amplifiers, achieving shot noise-limited performance . To date, the highest performance

Graphene and MWCNT thick films: preparation and RF electrical properties study
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Carbon materials are well known for being a versatile class of materials able to transmit an electrical signal when used as fillers in composites. Among numerous carbon fillers, carbon nanotubes and graphene have been extensively investigated for the last thirty years. This

A broadband outlook on flexible and textile RF energy harvesting and wireless power transfer: from near-field to 5G
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Wireless power transfer (WPT) and Radio Frequency ( RF ) energy harvesting (EH) are increasingly seen as an enabling technology for power-autonomous Internet of Things (IoT)[ 2]. RFEH and WPT are a particularly attractive power source for flexible, printed, and

DC and RF characteristics of 20 nm gate length InAlAs/InGaAs/InP HEMTs for high frequency application.
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Accepted 15 lnAlAs/lnGaAs/InP high electron mobility transistor (HEMT) offers excellent high frequency operation. In this work, the DC and RF performance of a 20 nm gate length enhancement mode InAlAs/InGaAs/InP high electron mobility transistor (HEMT)

Radio frequency reliability studies of CMOS RF integrated circuits for ultra-thin flexible packages
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This Letter presents for the first time radio frequency ( RF ) reliability studies of fully integrated CMOS RF integrated circuits (RFICs) for next generation wireless communication applications involving conformal bodies where wireless communication RFICs will be

Multi-tuned RF Coil using Microfluidically Tunable RF Capacitor for MRI/MRS at 7T
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Multi-nuclear magnetic resonance imaging and spectroscopy are considered valuable tools due to their capability of diagnosis and monitoring of several diseases. They require multinuclear RF coils to interrogate the proton (1H) and other nuclei (X-nuclei) in the human

Estimation of RF heating and cooling rates of an electron-positron plasma confined in a Combined Trap
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The cross-sections have been estimated for heating of confined electrons and positrons due to two type of RF driven collisions,(a) elastic collisions between electrons/positrons and the background gas molecules (σn)(b) Coulomb collisions between electrons and positrons

SIMBA: Single RF Chain Multi-User Beamforming in 60 GHz WLANs
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Multi-user transmission in 60 GHz Wi-Fi can achieve data rates up to 100 Gbps by multiplexing multiple user data streams. However, a fundamental limit in the approach is that each RF chain is limited to supporting one stream or one user. To overcome this limit, we

Designs and Simulations of Millimetre Wave On-chip Single Turn Inductors for 0.13 µm RF CMOS Process Technology
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The upcoming fifth generation (5G) network has ushered in mushrooming researches in integrated circuit designs and microelectromechanical systems (MEMS). Since the 5G technologies operate mainly in the millimetre wave (mm-wave) band, developing electronic

Harmony: Saving Concurrent Transmissions from Harsh RF Interference
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The increasing congestion of the RF spectrum is a key challenge for low-power wireless networks using concurrent transmissions. The presence of radio interference can indeed undermine their dependability, as they rely on a tight synchronization and incur a significant

DSP-based RF waveform aggregation for next generation mobile fronthauling
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The exponential traffic increase demands faster, high capacity, and quality of service (QoS) guaranteed services. Cloud radio access network (C-RAN) has become an emerging enabling technology introduced into 5G networks, and proposed to support the upcoming