Search for dissertations about: "Multi frequency power"

Showing result 1 - 5 of 175 swedish dissertations containing the words Multi frequency power.

2. 1. Multi-Gigabaud Millimeter-Wave Communication - Challenges and Solutions

   Author : Jingjing Chen; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; phase noise; high-order modulation; 5G; multi-gigabaud; PAM-4; high data rate; white noise; multi-gigabit; phase noise mitigation; 64-QAM; mobile backhaul; VCSEL driver; Frequency multiplier; modem; high frequency oscillator; multiplicative noise; power detector; fronthaul; millimeter-wave communication;

   Abstract : A major challenge in future mobile networks is to overcome the capacity barrier in wireless communication. Utilizing large bandwidth at higher frequencies is key to enabling capacity upgrade for next generation mobile networks (5G). READ MORE

4. 2. On Efficient Transmission Balancing Operation : Capturing the Normal State Frequency and Active Power Dynamics

   Author : Martin Nilsson; Lennart Söder; Julia Matevosyan; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Active Power Dynamics; Frequency Control; Normal State; Power System Balancing; Transmission System Operator; Electrical Engineering; Elektro- och systemteknik;

   Abstract : In an electric power system, there will always be an electric balance. Nevertheless, System Operators (SOs) often uses the term imbalance. Here, the term imbalance refers to the difference between trades and real-time measurements. READ MORE

5. 3. Methodologies and Tools for the Design and Optimization of Multi-Standard Radio Receivers

   Author : Delia Rodríguez de Llera González; Mohammed Ismail; Ana Rusu; Patrick Haspel; KTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Design Methodologies; Receiver; ADC; Multi-Agent System; Behavioural System; Frequency Planning; Multi-standard; Multi-band; Optimization; Information technology; Informationsteknik;

   Abstract :  One of the main challenges posed by 4G wireless communication systems is achieving flexible, programmable multi-standard radio transceivers with maximum hardware share amongst different standards at a minimum power consumption. Evaluating the feasibility and performance of different multi-standard/multi-band radio solutions at an early stage, i. READ MORE

6. 4. Measurement, Modeling, and Characterization for Energy-Efficient Computing

   Author : Bhavishya Goel; Chalmers tekniska högskola; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; power-aware scheduling; power estimation; transactional memory; power measurement; power management; energy characterization;

   Abstract : The ever-increasing ecological footprint of Information Technology (IT) sector coupled with adverse effects of high power consumption on electronic circuits has increased the significance of energy-efficient computing in the last decade. Making energy-efficient computing a norm rather than an exception requires that system designers and programmers understand the energy implications of their design and implementation choices. READ MORE

7. 5. Efficient Solid-State Power Amplifiers for RF Power Source Applications

   Author : Renbin Tong; Dragos Dancila; Jörgen Olsson; Olof Bengtsson; Zoya Popovic; Uppsala universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; back-off efficiency; high efficiency; power source; RF energy; RF measurements; radioisotope production; solid-state power amplifiers; Engineering Science with specialization in Microwave Technology; Teknisk fysik med inriktning mot mikrovågsteknik;

   Abstract : Radio Frequency (RF) power sources are extensively applied in various fields. Radioisotope production, i.e., the production of short-lived radioactive isotopes, for positron emission tomography (PET) is one of the most important applications in the medical and healthcare domains. READ MORE