WiFi Technology

  1. The IEEE 802.11 Standards
    1. Overview of the IEEE 802 Working Groups
      1. Structure of IEEE 802
        1. Role of 802.11 Working Group
          1. Standards Development Process
          2. Legacy Standards
            1. 802.11 (Prime)
              1. Original Specifications
                1. 2 Mbps Data Rate
                  1. Limitations and Obsolescence
                  2. 802.11a
                    1. 5 GHz Frequency Band
                      1. OFDM Modulation
                        1. Data Rates up to 54 Mbps
                        2. 802.11b
                          1. 2.4 GHz Frequency Band
                            1. DSSS Modulation
                              1. Data Rates up to 11 Mbps
                              2. 802.11g
                                1. 2.4 GHz Frequency Band
                                  1. OFDM Modulation
                                    1. Data Rates up to 54 Mbps
                                      1. Backward Compatibility
                                    2. Modern Standards (Wi-Fi Alliance Naming)
                                      1. 802.11n (Wi-Fi 4)
                                        1. Key Features
                                          1. MIMO Introduction
                                            1. Channel Bonding (40 MHz)
                                              1. Data Rates up to 600 Mbps
                                              2. 802.11ac (Wi-Fi 5)
                                                1. Key Features
                                                  1. 5 GHz Only Operation
                                                    1. Wider Channels (80/160 MHz)
                                                      1. MU-MIMO Introduction
                                                        1. Data Rates up to 6.93 Gbps
                                                        2. 802.11ax (Wi-Fi 6 & Wi-Fi 6E)
                                                          1. Key Features
                                                            1. OFDMA Technology
                                                              1. Target Wake Time
                                                                1. BSS Coloring
                                                                  1. 6 GHz Support (Wi-Fi 6E)
                                                                  2. 802.11be (Wi-Fi 7)
                                                                    1. Key Features
                                                                      1. Enhanced Throughput
                                                                        1. 320 MHz Channels
                                                                      2. Other Important 802.11 Amendments
                                                                        1. 802.11i (Security)
                                                                          1. WPA2 Introduction
                                                                            1. AES Encryption
                                                                              1. 802.1X Authentication
                                                                              2. 802.11r (Fast BSS Transition)
                                                                                1. Seamless Roaming
                                                                                  1. Pre-Authentication
                                                                                    1. Key Management
                                                                                    2. 802.11k (Radio Resource Measurement)
                                                                                      1. Network Optimization
                                                                                        1. Neighbor Reports
                                                                                          1. Channel Load Reports
                                                                                          2. 802.11v (Wireless Network Management)
                                                                                            1. Client Management Enhancements
                                                                                              1. BSS Transition Management
                                                                                                1. Sleep Mode Management
                                                                                                2. 802.11w (Protected Management Frames)
                                                                                                  1. Management Frame Security
                                                                                                    1. Deauthentication Protection
                                                                                                      1. Disassociation Protection

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                                                                                                  2. Fundamentals of Radio Frequency (RF)

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                                                                                                  4. WiFi Network Architecture and Topologies