HCIA WLAN
HCIA WLAN Expert Reveals Wireless Communication Secrets! part:2

In this video, we'll explore the secret to fast and reliable Wi-Fi transmission. We'll dive into the concept of a carrier, subcarrier, and channel, and how they relate to Wi-Fi technologies like OFDM. You'll learn about the difference between overlapping and non-overlapping channels, and how to plan your network to minimize interference. We'll also cover the 2.4 GHz and 5 GHz frequency bands, and how they impact Wi-Fi transmission. Additionally, we'll discuss radio frequencies, spatial streams, and how they affect Wi-Fi performance. You'll also learn about interference from non-Wi-Fi devices and Wi-Fi devices, and how it affects channel utilization. Finally, we'll touch on the difference between theoretical and actual Wi-Fi transmission rates. By the end of this video, you'll have a deeper understanding of the concepts that make Wi-Fi transmission fast and reliable. Learn how radio waves are used to carry data and how frequency and wavelength are related. Discover how phase and amplitude affect wireless communication and how modulation and demodulation work. By the end of this section, you'll have a solid understanding of the fundamental principles of wireless communication and how they're used in WLAN technologies. Finally, we'll discuss channel utilization, theoretical and actual rates, and set the stage for a deeper dive into the 802.11 standards.