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IEET > Personal > Wissenschaftliche Mitarbeitende > Marwan Mostafa, M.Sc.

Marwan Mostafa

M.Sc.
Wissenschaftlicher Mitarbeiter

Kontakt

Marwan Mostafa, M.Sc.
E-6 Elektrische Energietechnik
  • Elektrische Energietechnik
Sprechzeiten
nach Vereinbarung/ by appointment
Harburger Schloßstraße 36,
21079 Hamburg
Gebäude HS36, Raum C3 0.013
Tel: +49 40 42878 4097
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Forschungsprojekt

iNeP
Integrierte Netzplanung der Sektoren Strom, Gas und Wärme

iNeP

Integrierte Netzplanung der Sektoren Strom, Gas und Wärme

Bundesministerium für Wirtschaft und Klimaschutz (BMWK); Laufzeit: 2021 bis 2026

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Publikationen

TUHH Open Research (TORE)

2023

2022

2021

Lehrveranstaltungen

Stud.IP
zur Veranstaltung in Stud.IP Studip_icon
Digital Communications (Digitale Nachrichtenübertragung) (M.Sc.)
Untertitel:
This course is part of the module: Digital Communications
Semester:
WiSe 23/24
Veranstaltungstyp:
Vorlesung (Lehre)
Veranstaltungsnummer:
lv444_w23
DozentIn:
Gerhard Bauch, M. Sc Leonard Paul Schulz, PD Dr.-Ing. habil. Rainer Grünheid, David Jonas Kopyto
Beschreibung:
  • Repetition: Baseband Transmission
    • Pulseshaping: Non-return to zero (NRZ) rectangular pulses, raised-cosine pulses,square-root raised-cosine pulses
    • Powerspectral density (psd) of baseband signals
    • Intersymbolinterference (ISI)
    • Firstand second Nyquist criterion
    • AWGNchannel
    • Matchedfilter
    • Matched-filterreceiver and correlation receiver
    • Noisewhitening matched filter
    • Discrete-timeAWGN channel model
  • Representationof bandpass signals and systems in the equivalent baseband
    • Quadratureamplitude modulation (QAM)
    • Equivalentbaseband signal and system
    • Analyticalsignal
    • Equivalentbaseband random process, equivalent baseband white Gaussian noise process
    • Equivalentbaseband AWGN channel
    • Equivalentbaseband channel model with frequency-offset and phase noise
    • Equivalentbaseband Rayleigh fading and Rice fading channel models
    • Equivalentbaseband frequency-selective channel model
    • Discretememoryless channels (DMC)
  • Bandpasstransmission via carrier modulation
    • Amplitudemodulation, frequency modulation, phase modulation
    • Lineardigital modulation methods
      • On-offkeying, M-ary amplitude shift keying (M-ASK), M-ary phase shift keying (M-PSK),M-ary quadrature amplitude modulation (M-QAM), offset-QPSK
      • Signalspace representation of transmit signal constellations and signals
      • Energyof linear digital modulated signals, average energy per symbol
      • Powerspectral density of linear digital modulated signals
      • Bandwidthefficiency
      • Correlationcoefficient of elementary signals
      • Errorprobabilities of linear digital modulation methods
        • Error functions
        • Graymapping and natural mapping
        • Biterror probabilities, symbol error probabilities, pairwise symbol errorprobabilities
        • Euclideandistance and Hamming distance
        • Exactand approximate computation of error probabilities
        • Performancecomparison of modulation schemes in terms of per bit SNR vs. per symbol SNR
      • Hierarchicalmodulation, multilevel modulation
      • Effectsof carrier phase offset and carrier frequency offset
      • Differentialmodulation
        • M-arydifferential phase shift keying (M-PSK)
        • Coherentand non-coherent detection of DPSK
        • p/M-differential phaseshift keying (p/M-DPSK)
        • Differentialamplitude and phase shift keying (DAPSK)
    • Non-lineardigital modulation methods
      • Frequencyshift keying (FSK)
      • Modulationindex
      • Minimumshift keying (MSK)
        • Offset-QPSKrepresentation of MSK
        • MSKwith differential precoding and rotation
        • Biterror probabilities of MSK
        • Gaussianminimum shift keying (GMSK)
        • Powerspectral density of MSK and GMSK
      • Continuousphase modulation (CPM)
        • Generaldescription of CPM signals
        • Frequencypulses and phase pulses
      • Coherentand non-coherent detection of FSK
    • Performancecomparison of linear and non-linear digital modulation methods
  • Frequency-selectivechannels, ISI channels
    • Intersymbolinterference and frequency-selectivity
    • RMSdelay spread
    • Narrowbandand broadband channels
    • Equivalentbaseband transmission model for frequency-selective channels
    • Receivefilter design
  • Equalization
    • Symbol-spacedand fractionally-spaced equalizers
    • Inversesystem
    • Non-recursivelinear equalizers
      • Linearzero-forcing (ZF) equalizer
      • Linearminimum mean squared error (MMSE) equalizer
    • Non-linearequalization:
      • Decisionfeedback equalizer (DFE)
      • Tomlinson-Harashimaprecoding
    • Maximuma posteriori probability (MAP) and maximum likelihood equalizer, Viterbialgorithm
  • Single-carriervs. multi-carrier transmission
  • Multi-carriertransmission
    • Generalmulticarrier transmission
    • Orthogonalfrequency division multiplex (OFDM)
      • OFDMimplementation using the Fast Fourier Transform (FFT)
      • Cyclicguard interval
      • Powerspectral density of OFDM
      • Peak-to-averagepower ratio (PAPR)
  • Multipleaccess
    • Principlesof time division multiple access (TDMA), frequency division multiple access(FDMA), code division multiple access (CDMA), non-orthogonal multiple access(NOMA), hybrid multiple access
  • Spreadspectrum communications
    • Directsequence spread spectrum communications
    • Frequencyhopping
    • Protectionagainst eavesdropping
    • Protectionagainst narrowband jammers
    • Shortvs. long spreading codes
    • Directsequence spread spectrum communications in frequency-selective channels
      • Rakereceiver
    • Codedivision multiple access (CDMA)
      • Designcriteria of spreading sequences, autocorrelation function and crosscorrelationfunction of spreading sequences
      • Intersymbolinterference (ISI) and multiple access interference (MAI)
      • Pseudonoise (PN) sequences, maximum length sequences (m-sequences), Gold codes,Walsh-Hadamard codes, orthogonal variable spreading factor (OVSF) codes
      • Multicodetransmission   
      • CDMAin uplink and downlink of a wireless communications system
      • Single-userdetection vs. multi-user detection
Leistungsnachweis:
611 - Digital Communications<ul><li>611 - Digital Communications: Klausur schriftlich</li><li>800 - Laboratory Digital Communications: schriftliche Ausarbeitung</li></ul>
ECTS-Kreditpunkte:
6
Weitere Informationen aus Stud.IP zu dieser Veranstaltung
Heimatinstitut: Institut für Nachrichtentechnik (E-8)
In Stud.IP angemeldete Teilnehmer: 142
Anzahl der Postings im Stud.IP-Forum: 16
Anzahl der Dokumente im Stud.IP-Downloadbereich: 44

Betreute Abschlussarbeiten

laufende
beendete

2022

  • Barthelme, J. (2022). Technisch-ökonomische Systemmodellierung und -anlayse eines urbanen Quatiers hinsichtlich des Einsatz von Wasserstoff als primärer Energieträger.

TU Hamburg
Institut für Elektrische Energietechnik (ieet) E-6
Prof. Dr.-Ing. Christian Becker
Harburger Schloßstraße 36
21079 Hamburg
E-Mail : ieet(at)tuhh.de
Tel : +49 40 42878 3213
Fax : +49 40 42878 2382
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