Course home · 14 lectures · 13 labs

Data Communication

Md Mahbub E Noor · Assistant Professor, Department of CSE, University of Barishal · 2nd Year, 2nd Semester

How to use

Slides: →/Space next, ← back, F full screen, type a number and Enter to jump. The bar at the top switches lectures and opens the lab.

Labs: the bar at the top of every lab goes back to the slides, or to the previous or next lab.

Offline: everything is inside this folder: fonts, videos and labs. Open index.html in any browser, no internet needed.

Signals and mediaPhysical layer · Lectures 1–5

  1. 01
    Introduction to Data CommunicationsComponents, data flow, topologies, protocols and the layered models26 slides
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  2. 02
    Data and Signals IAnalog and digital signals, sine waves, spectra, bandwidth33 slides
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  3. 03
    Data and Signals IIAttenuation, distortion, noise, decibels, Nyquist and Shannon, performance32 slides
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  4. 04
    Transmission MediaTwisted pair, coaxial cable, optical fibre, radio and microwaves29 slides
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  5. 05
    Analog-to-Digital ConversionSampling, quantisation and PCM, delta modulation38 slides
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Conversion, multiplexing and switchingPhysical layer · Lectures 6–10

  1. 06
    Digital-to-Digital ConversionLine coding, block coding (4B/5B), scrambling (B8ZS, HDB3)33 slides
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  2. 07
    Digital-to-Analog ConversionASK, FSK, PSK and QAM constellations29 slides
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  3. 08
    Analog-to-Analog ConversionAM, FM and PM, bandwidth and Carson's rule26 slides
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  4. 09
    Multiplexing and Spread SpectrumFDM, TDM, statistical TDM, FHSS and DSSS33 slides
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  5. 10
    SwitchingCircuit, datagram and virtual-circuit switching; switch structure31 slides
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Data link layer and wirelessLectures 11–14

  1. 11
    Data Link Layer IFraming, stuffing, parity, Hamming, CRC and checksums36 slides
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  2. 12
    Data Link Layer IIStop-and-Wait, Go-Back-N, Selective Repeat, piggybacking, HDLC, PPP38 slides
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  3. 13
    Multiple AccessALOHA, CSMA/CD, CSMA/CA, controlled access, FDMA, TDMA, CDMA37 slides
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  4. 14
    Wireless Communication BasicsPath loss, multipath, 802.11, Bluetooth, cellular and satellites33 slides
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