IEEE 802.11 Architecture and Services 7. Wireless LAN Architecture: The process of assembling the parts of computer hardware in computer networking is called as computer architecture. As light of sight is not required for the propagation, it is a reliable form of communication. It provides a very high data rate, coverage area is small so the traffic. Simply we can say that how computers are organized and how tasks are allocated to the computer. The W ireless local area network (WLAN) protocol, IEEE 802.11, and associated technologies, such as the 802.11X protocol, allow secure high-speed wireless network access and mobile access to a network infrastructure.Until the recent development of this technology , in order to obtain high-speed network access , we needed to be physically connected to the LAN with some type of wiring. Similarly if we use this architectural technique in Wireless LAN or WiFi is called as Wireless LAN Architecture. Calculators. Stored Program Computers – These can be programmed to carry out many different tasks, applications are stored on them, hence the name. IEEE 802.11 Wireless LAN Standard Chapter 14 IEEE 802 Protocol Layers Protocol Architecture Functions of physical layer: Encoding/decoding of signals Preamble generation/removal (for synchronization) Bit transmission/reception Includes specification of the transmission medium Protocol Architecture Functions of medium access control (MAC) layer: Any type of network uses some standard protocol for transmission of information. The two types of network architectures are used: Peer-To-Peer network RADIUS Star Architecture Multiple networks under separate administrative control Each network has a server Some requests are handled locally Unknown users are passed to other servers Core server is an “identity router” for authentication requests We built a mini-version of … Historically there have been 2 types of Computers: Fixed Program Computers – Their function is very specific and they couldn’t be programmed, e.g. Computer Network Architecture. The second type of architecture relies on a centralized controller to regulate the operation of the WLAN. LTE Advanced protocol stack consists of user plane and control plane for AS and NAS. IEEE standard provides architecture and protocol for WLAN. An extended service set (ESS) consists of two or more basic service sets interconnected by a distribution system To integrate the IEEE 802.11 architecture with a traditional wired LAN, a portal is used IEEE 802.11 Architecture and Services 8. Presentation; Pat Thaler, Broadcom; Roger Marks , EthAirNet Associates; Sponsored by Glenn Parsons, Chair, IEEE 802.1 WG Chair We are talking of Wireless LAN (WLAN) that is to say, "Wireless LAN", not to be confused with WAN course. The modern computers are based on a stored-program concept introduced by John Von Neumann. LTE Advanced architecture for E-UTRAN consists of P-GW, S-GW, MME, S1-MME, eNB, HeNB, HeNB-GW, Relay Node etc. IEEE 802.11 Architecture Submitted by gc on Mon, 02/18/2013 - 07:40 Each computer, mobile, portable or fixed, is referred to as a station in 802.11 [ Wireless Local Area Networks ]. 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