Radio Waves Wireless communication involves the transmission of information over the air by radio waves, which radiate and propagate through space. Radio waves are a type of electromagnetic ...

Channel Bonding Broadening the spectrum will improve wireless transmission rates, similar to how widening a road will increase transportation capacity. 802.11a and 802.11g use channels with 2...

Roaming Overview Although WLAN uses wireless media to improve user mobility, it brings new challenges, such as ensuring that user experience is guaranteed. As high signal quality is required t...

Message Flow The Block Ack mechanism improves channel efficiency by aggregating several acknowledgments into one frame. There are two types of Block Ack mechanisms, immediate and delayed. Immedia...

Wi-Fi Protected Setup (WPS) or Wi-Fi Simple Configure (WSC) is an optional certification program based on technology designed to ease the setup of security enabled Wi-Fi networks in home and small ...

Message Flow The 4-way handshake is the process of exchanging 4 messages between an access point (authenticator) and the client device (supplicant) to generate some encryption keys which can be u...

Đêm nay phố xá bỗng đông người Khắp chốn đèn hoa chật tiếng cười Gửi đến nơi nàng lời chúc nhỏ Mong em Giáng Sinh được vui tươi

Trời đông gió lạnh suốt bao ngày Phố xá người qua tự vắng thay Bước tiếp trên đường ta đã chọn Gian nan thử thách chẳng mỗi nay

Overview WiFi Mesh network (wireless mesh network), also known as “multi-hop” network, is a new wireless networking solution developed based on WiFi technology. Unlike traditional WiFi network, W...