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IEET > Staff > Research Assistants > Marwan Mostafa, M.Sc.

Marwan Mostafa

M.Sc.
Research Assistant

Contact

Marwan Mostafa, M.Sc.
E-6 Elektrische Energietechnik
  • Elektrische Energietechnik
Office Hours
nach Vereinbarung/ by appointment
Harburger Schloßstraße 36,
21079 Hamburg
Building HS36, Room C3 0.013
Phone: +49 40 42878 4097
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Research Project

iNeP
Integrated network planning for the electricity, gas and heat sectors

iNeP

Integrated network planning for the electricity, gas and heat sectors

Federal Ministry for Economic Affairs and Climate Action (BMWK); Duration: 2021 to 2026

to the project page

Publications

TUHH Open Research (TORE)

2023

2022

2021

Courses

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

Supervised Theses

ongoing
completed

2022

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

TU Hamburg
Institute of Electrical Power and Energy Technology (ieet) E-6
Prof. Dr.-Ing. Christian Becker
Harburger Schloßstraße 36
21079 Hamburg
E-mail : ieet(at)tuhh.de
Phone : +49 40 42878 3213
Fax : +49 40 42878 2382
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