pdf_gross.gifFrom IEEE 802.11n to 802.11ac and ad

[2-day course, Euro 2,350.- (net) per participant]

Course Description

Chapter 1: From 802.11-1999 to 802.11ac

  • The 802.11 Alphabet
    Features and technology of 802.11-1999 to 802.11ac

  • BSS / ESS / AdHoc
    Operation principles and problems of WiFi-networking, association to an AP

  • Multiple Access and Resource Sharing
    CSMA-CA, DCF, PCF, detailed analysis and performance of CSMA-CA in real-life situations

  • QoS in WiFi
    EDCA, HCCA, examples and logfile analysis

  • Performance of WiFi from 1999 to today

    Throughput rates, latency, behavior under load conditions

Chapter 2: Introduction to 802.11ac

  • Feature Summary
    From carrier aggregation to advanced MIMO, from LDPC to 256-QAM

  • Comparison with 802.11n
    Performance, features and operation

  • Performance of 802.11ac under different conditions
    Relevant parameters: Bandwidth, modulation, channel coding, GI, ...

Chapter 3: Detailed Analysis of seleted PHY- and MAC-Features

  • Channelization in 802.11ac
    From 20 MHz to 160 MHz, primary channel selection, RTS/CTS operation with bandwidth indication, coexistence with 802.11a / 802.11n in 5 GHz

  • Spectrum Requirements (Tx and Rx)
    Spectrum Mask, sensitivity, options depending on channelization

  • Smart Antenna Operation in 802.11ac
    STBC, SU-MIMO, MU-MIMO, Beamforming, Sounding and explicit compressed feedback

  • Inherited (and deprecated) 802.11n Features

  • A-MPDU Operation in 802.11ac

  • PPDU-format
    VHT-Sig A / VHT-Sig B / Preamble, ...


Chapter 4: Security in 802.11

  • Overview Security and Security Challenges
    Attack and threat types, symmetric vs. asymmetric keys, authentication and encryption, integrity protection

  • Security in WiFi
    WEP, WPA 1 and 2, 802.1X and RSNA, Key setup and generation

  • Advanced Options
    Intro to EAP, operation of EAP-TLS, operation of EAP-AKA, generation of key material



Chapter 5: IEEE 802.11ad and its Playground

  • The “Playground” of 802.11ad
    Applications, spectrum, history,

  • Joined Operation of 802.11 (2.4 GHz), 802.11ac (5 GHz) and 802.11ad (60 GHZ)

  • DMG (Directional Multi Gigabit)
    operation modes, packet structure and contents, modulation types, channel coding, single carrier vs. OFDM, Beamsteering operation for NLOS (non line of sight)

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