Summary of Wi-Fi Evolution/Understanding Wi-Fi Technology

Summary of Wi-Fi Evolution/Understanding Wi-Fi Technology

Wi-Fi (Wireless Fidelity) is a wireless networking technology based on IEEE 802.11 standards, enabling devices to connect to local area networks and the internet without cables. It operates on 2.4 GHz, 5 GHz, and, with newer standards, 6 GHz bands, using modulation techniques like OFDM and security protocols such as WPA3 to provide high-speed, secure data transmission.

Early Generations (#Wi-Fi 1 to Wi-Fi 3): Focused on basic wireless connectivity, with incremental improvements in speed and frequency usage.

Middle Generations (Wi-Fi 4 to Wi-Fi 5): Significant advances in speed and efficiency, with broader adoption and improved performance for home and enterprise networks.

Latest Generations (#Wi-Fi 6 to Wi-Fi 7): Address modern demands for high-speed, high-density, and low-latency networking, preparing networks for emerging technologies like #8K video, AR/VR, and

Comparison between Wi-Fi- 6 & Wi-Fi 7

Wi-Fi 6 (802.11)

Efficiency:  Introduces OFDMA (Orthogonal Frequency-Division Multiple Access) and MU-MIMO (Multi-User, Multiple Input, Multiple Output) to handle multiple devices more efficiently.

Latency:  Lower latency with better performance in crowded environments.

Range:  Improved range and performance in environments with many devices.

Wi-Fi 7 (802.11)

Efficiency:  Enhances OFDMA, MU-MIMO, and introduces CMU-MIMO (Coordinated MU-MIMO) for even better device handling.

Latency:  Further reduced latency, targeting real-time applications like AR/VR.

Range:  Improved range, especially with 6 GHz, and better performance in dense environments.

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Source: LinkedIn

Credits: Mr. Sujith CM