Blar i Institutt for elektroniske systemer på tittel
Viser treff 1628-1647 av 2316
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Performance of ALOHA and CSMA in Spatially Distributed Wireless Networks
(Chapter, 2008) -
Performance of clustered multitask diffusion LMS suffering from inter-node communication delays
(Peer reviewed; Journal article, 2021)This brief studies a clustered multitask diffusion least mean-square strategy that accounts for communication delays in the inter- and intra-cluster information exchanges. We conduct detailed performance analysis and ... -
Performance of Joint Interference and Data Buffer Management for Cognitive Radio
(Master thesis, 2010)Cognitive Radio is a technology where Software Defined Radio functionality is augmented in order to permit a radio system where its operations will be adjusted depending on the environment. This capability offers a variety ... -
Permutation Spreading and Alamouti Space-Time Coding for DSSS MIMO Systems in Frequency Selective Rayleigh Fading Channels
(Master thesis, 2021)Denne masteroppgaven presenterer nye metoder for to sender-diversitetteknikker med bruk av direkte-sekvens spredet spektrum i en fler-inn fler-ut frekvensselektiv Rayleigh modellert kanal. Et problem i denne settingen er ... -
Personalized graph federated learning with differential privacy
(Peer reviewed; Journal article, 2023)This paper presents a personalized graph federated learning (PGFL) framework in which distributedly connected servers and their respective edge devices collaboratively learn device or cluster-specific models while maintaining ... -
Personalized Online Federated Learning for IoT/CPS: Challenges and Future Directions
(Journal article, 2022)In recent years, federated learning (FL) has emerged as a powerful paradigm for distributed learning thanks to its privacy-preserving capabilities. With the use of FL, a network of edge devices can make intelligent decisions ... -
Personlig tilpasning av HRTF-sett for 3D-lyd
(Master thesis, 2016)For at vi skal kunne benytte oss av vår binaurale hørsel i virtuelle applikasjoner, ved bruk av hodetelefoner, trenger vi Hode-Relaterte Overføringsfunksjoner, forkortet til HRTF på engelsk. Uheldigvis vil denne HRTF'en ... -
Perspectives of optical colourimetric sensors for anaerobic digestion
(Journal article; Peer reviewed, 2019)Although biogas is not a new approach to producing renewable fuel, it could further be developed to improve its potential as an alternative energy source. To achieve this, vast improvements in the efficiency and cost of ... -
Perspectives of surface plasmon resonance sensors for optimized biogas methanation
(Journal article; Peer reviewed, 2019)Biogas production is becoming significantly viable as an energy source for replacing fossil‐based fuels. The further development of the biogas production process could lead to significant improvements in its potential. ... -
Phase Equalization in a DVB-S2 Satellite Broadcasting System
(Master thesis, 2011)Satellite systems utilize bandpass filters with steep slopes at the edges of the passband, to maximize the usage of the available spectrum. This results in induced group delay and severe degradation in system performance.In ... -
Phase Error Evaluation via Differentiation and Cross-Multiplication Demodulation in Phase-Sensitive Optical Time-Domain Reflectometry
(Peer reviewed; Journal article, 2023)Phase-sensitive optical time-domain reflectometry (φOTDR) is a technology for distributed vibration sensing, where vibration amplitudes are determined by recovering the phase of the backscattered light. Measurement noise ... -
Phased Array for UHF satellite ground station - Raising Efficiency and Lowering Costs through Heterodyne Steering
(Master thesis, 2024)Existing high gain antennas for the communication with orbiting satellites are often large to reach sufficient gain and require mechanical two-dimensional steering to be dynamically pointed at passing satellites (or other ... -
Photoluminescence study of as-grown self-catalyzed GaAs/AlGaAs core-shell nanowires
(Master thesis, 2012)A macro-photoluminescence study of self-catalyzed nanowires, using a specializedsetup for this purpose, has been performed. Several samples were even comparedto single nanowire micro-photoluminescence measurements, on the ... -
Photoluminescence Study of Enhanced Light Emission from HgCdTe Thin Films due to a Surface Pattern
(Master thesis, 2015)HgCdTe thin film samples with a CdTe passivation layer have been grown by molecular beam epitaxy, and photolithography has been used to etch a triangular pattern of holes into the passivation layer. The enhancement in ... -
Photonic crystal light emitting diode
(Master thesis, 2010)This master's thesis describe electromagnetic simulations of a gallium antimonide (GaSb) light emitting diode, LED. A problem for such devices is that most of the generated light is reflected from the surface due to total ... -
Photonic Crystal Structures: Design and Fabrication
(Master thesis, 2013)This thesis is devoted to the study of photonic crystal (PhC) design and fabrication. The design of a trigonal PhC waveguide is evaluated using finite element method (FEM) simulation software, and some considerations ... -
Photonic Crystal Waveguide Fabrication
(Master thesis, 2012)This research is entirely devoted to the study and fabrication of structures with periodic dielectric constants, also known as photonic crystals (PhCs). These structures show interesting dispersion characteristics which ... -
Photonic-crystal membranes for optical detection of single nano-particles, designed for biosensor application
(Peer reviewed; Journal article, 2012)A sensor designed to detect bio-molecules is presented. The sensor exploits a planar 2D photonic crystal (PC) membrane with sub-micron thickness and through holes, to induce high optical fields that allow detection of ... -
Physical Layer Security for In-Body Wireless Cardiac Sensor Network
(Doctoral theses at NTNU;2020:136, Doctoral thesis, 2020)The thesis explores the physical layer security approaches for securing an in body multi-nodal leadless cardiac pacemaker (LCP) communication system. Pacemakers are implanted medical devices, used to treat different types ... -
Physical-Statistical Channel Model for Off-body Area Network
(Journal article; Peer reviewed, 2017)Abstract: In this letter, a physical-statistical-based channel model for off-body wireless communications is presented. The model utilizes a dynamic human walking model, which provides detailed description of the movement ...