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IEEE 802.11 Architecture 5. Frame Format 6. Power Management Note: This is 1. st. of 2 lectures on WiFi. The 2. nd. lecture covers recent developments such as high-throughput WiFi, white spaces, etc. Overview
The purpose of this document is to give technical readers a basic overview of the new 802.11 Standard, enabling them to understand the basic concepts, principle of operations, and some of the reasons behind some of the features and/or components of the Standard.
.11 Architect. 3 IEEE 802 .11 Terminology Station (STA) Architecture (cont’d): Ethernet-like driver interface supports virtually all protocol stacks Frame translation according to IEEE Std 802.1H IEEE 802.3 frames: translated to 802.11 Ethernet Types 8137 (Novell IPX) and 80F3 (AARP) encapsulated via the Bridge Tunnel encapsulation scheme
IEEE 802.11 is a set of medium access control (MAC) and physical layer (PHY) specifications for implementing Wireless Local Area Network (WLAN) communication. The 802.11 family is a series of over-the-air modulation techniques that share the same basic protocol (Table 2).
Technology Chapters 8 & 9 - CWNA Objectives 2 • Describe and apply the concepts of: – Frames, packets and datagrams – Bits, bytes and octets – MAC and PHY • Explain CSMA/CA • Compare frame types and formats • Identify and explain frames and frame exchange sequences in the IEEE 802.11 standard – Active and passive scanning
An 802.11 LAN is based on a cellular architecture where the system is divided into cells called basic Service set (BSS) and each cell is Controlled by a base station called Access point (AP).
The document discusses the architecture of IEEE 802.11 wireless local area networks (WLANs). It describes the two main network architectures defined by 802.11 - infrastructure networks that connect wireless clients to wired networks via an access point, and point-to-point ad-hoc networks that allow direct communication between wireless clients ...
