2001/11/23 Prof. Huei-Wen Ferng 1 Chapter 4 Wireless LAN Technologies and Products.

Slides:



Advertisements
Similar presentations
Wi-Fi Technology.
Advertisements

Wi-Fi Technology ARTI J JANSARI M.E.(C.S.E.):-1ST (E.C.)
Faculty of Computer Science & Engineering
Wireless LAN presented by: Damian Borth, Florian Seidel, Thomas Winterscheid.
Chapter Six Networking Hardware.
Computer Networking (Appendix C) Objectives
A+ Guide to Software Managing, Maintaining and Troubleshooting THIRD EDITION Chapter 11 Windows on a Network.
LANs and WANs. 2 Chapter Contents Section A: Network Building Blocks Section B: Wired Networks Section C: Wireless Networks Section D: Using LANs Section.
Allied Telesyn Wireless LAN Solutions AT-WL2411 Access Point AT-WR2411 Wireless LAN PCMCIA Card.
Wireless networking technology By Abbas Izadpanah January 2007.
Wireless Local Area Networks By Edmund Gean August 2, 2000.
1 25\10\2010 Unit-V Connecting LANs Unit – 5 Connecting DevicesConnecting Devices Backbone NetworksBackbone Networks Virtual LANsVirtual LANs.
Networks Olga Agnew Bryant Likes Daewon Seo.
IE 419/519 Wireless Networks Lecture Notes #2 Wireless LAN Technology.
Chapter 2 Review of Computer Network Technology
Connecting LANs, Backbone Networks, and Virtual LANs
MESH Implementation With AP5131 version R.
Wireless LANs Presented by: Jerome Thompson Mei-Lun Huang Liu-Yin Hu Kai-Wing Sum.
Chapter 10 Remote Access and Wireless Networking Business Issues Logical & Physical Topology Technology: Hardware & Software, & Wireless Personnel Communication.
ESTeem Training Class ESTeem Overview. ESTeem Product Categories Licensed Serial – Long Range Application – Exclusive Use of FCC Frequency – PLC Emulation.
Wireless Networking 102.
195Eg Ethernet Wired LAN 195Eg. Wireless Ethernet Setting IP Address Using Utility Programs Begin Programming Definition Selection Programming Modes of.
Chapter 5 Networks Communicating and Sharing Resources
LECTURE 9 CT1303 LAN. LAN DEVICES Network: Nodes: Service units: PC Interface processing Modules: it doesn’t generate data, but just it process it and.
© Paradigm Publishing Inc. 6-1 Chapter 6 Telecommunications and Networks.
1999 Cabletron Systems. Wireless Networking RoamAbout Introduction to Wireless Networking Overview of the Wireless functionality Applications for Wireless.
Copyright © 2007 Heathkit Company, Inc. All Rights Reserved PC Fundamentals Presentation 50 – The Wireless LAN.
Overview of Wireless LANs Use wireless transmission medium Issues of high prices, low data rates, occupational safety concerns, & licensing requirements.
Networks LANS,. FastPoll True Questions Answer A for True and B for False A wireless infrastructure network uses a centralized broadcasting device, such.
Connecting LANs, Backbone Networks, and Virtual LANs
ITED 328 Lecture 4 12 Feb 2004 Loosely covering Chapter 5 Internet and LAN Technology.
Local Area Networks Chapter 17, Exploring the Digital Domain.
Basic LAN techniques IN common with all other computer based systems networks require both HARDWARE and SOFTWARE to function. Networks are often explained.
Copyright ©1998 Alex Hills 1 The “Vision” of Wireless Access: Anyone Anything Anytime Anywhere Graphic: IEEE Spectrum.
1 Understanding the TCP/IP Protocol Suite Industry standard Enables enterprise networking and connectivity.
The University of Bolton School of Business & Creative Technologies Wireless Networks Introduction 1.
Presented by: Dr. Munam Ali Shah
Wireless standards Unit objective Compare and contrast different wireless standards Install and configure a wireless network Implement appropriate wireless.
1 The Leader in Industrial Data Communication Solutions Introducing: FastLinc By: Larry Terwisscha.
MAHARANA PRATAP COLLEGE OF TECHNOLOGY, GWALIOR
Guided by: Jenela Prajapati Presented by: (08bec039) Nikhlesh khatra.
A PRESENTATION ON “Wireless Networks”
Wi-Fi Technology. Agenda Introduction Introduction History History Wi-Fi Technologies Wi-Fi Technologies Wi-Fi Network Elements Wi-Fi Network Elements.
1 Kyung Hee University Chapter 15 Connecting LANs, Backbone Networks, and Virtual LANs.
Data and Computer Communications Ninth Edition by William Stallings Chapter 17 – Wireless LANs.
15.1 Chapter 15 Connecting LANs, Backbone Networks, and Virtual LANs Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or.
Computer Networks 15-1 Chapter 15. Connecting LANs, Backbone Networks, and Virtual LANs 15.1 Connecting devices 15.2 Backbone networks 15.3 Virtual LANs.
Wireless Technologies Chapter 9. Learning Objectives Explain current wireless networking technologies Discuss history of wireless networks and their advantages.
What is a Network? Living Online Lesson 1 Mrs. Elzey.
5 SECTION A 1 Network Building Blocks  Network Classifications  LAN Standards  Network Devices  Clients, Servers, and Peers  Physical Topology  Network.
Wireless? A wireless LAN or WLAN is a wireless local area network that uses radio waves as its carrier. The last link with the users is wireless, to give.
Network Components David Blakeley LTEC HUB A common connection point for devices in a network. Hubs are commonly used to connect segments of a LAN.
Business Data Communications, Fourth Edition Chapter 9: Local Area Networks.
Rehab AlFallaj.  Network:  Nodes: Service units: PC Interface processing Modules: it doesn’t generate data, but just it process it and do specific task.
LANS A Overview (also a Review). NICS  Could be Ethernet, FDDI, Token Ring or Wireless.  Multiple Protocols can be bound to a NIC.  In WinDoze all.
Emerging Broadband Wireless Standards IEEE Bluetooth WAN MAN LAN PAN IEEE n- Wireless LAN IEEE d Hybrid MAC/ MIMO OFDMA/ MIMO HSDPA/
Chapter 16 Connecting LANs, Backbone Networks, and Virtual LANs
Wireless LAN Technology Chapter 13. Wireless LAN Applications LAN Extension Cross-building interconnect Nomadic Access Ad hoc networking.
Wi-Fi Technology PRESENTED BY:- PRIYA AGRAWAL.
Networking on the International Space Station Presentation by Bradley Roach 10/09/2007.
COMPUTER FUNDAMENTALS David Samuel Bhatti
Chapter Objectives In this chapter, you will learn:
Instructor Materials Chapter 6 Building a Home Network
Wireless Technologies
Part III. Data Link Layer
Wireless Fidelity 1 1.
Wireless LAN Technologies and Products
Wi-Fi Technology By : Pranav Mandora Rikin Mistry LDRP-EC.
Chapter 16 Connecting LANs, Backbone Networks, and Virtual LANs
Wireless LAN Technologies and Products
Presentation transcript:

2001/11/23 Prof. Huei-Wen Ferng 1 Chapter 4 Wireless LAN Technologies and Products

2001/11/23 Prof. Huei-Wen Ferng 2 Wireless LAN Products

2001/11/23Prof. Huei-Wen Ferng3 Choosing a WLAN What are the applications? Is mobility required? What are the applications? Is mobility required? What level of performance is acceptable? What level of performance is acceptable? Will infrared satisfy the needs? Will infrared satisfy the needs? To what backbone networks do we need to connect? To what backbone networks do we need to connect? With what network OS do we need to work? With what network OS do we need to work? Is it secure? Is it secure? How easy is it to install? To use? To manage? How easy is it to install? To use? To manage? How much does it cost? ($500) How much does it cost? ($500)

2001/11/23Prof. Huei-Wen Ferng4 Current Applications Wire replacement applications Wire replacement applications Mobile computing applications Mobile computing applications

2001/11/23Prof. Huei-Wen Ferng5

2001/11/23 6 Lucent WaveLAN

2001/11/23Prof. Huei-Wen Ferng7 Product Line

2001/11/23Prof. Huei-Wen Ferng8 Network Topology

2001/11/23Prof. Huei-Wen Ferng9 Components of AP A wireless LAN adaptor to communicate with the wireless nodes A wireless LAN adaptor to communicate with the wireless nodes A wired adaptor to communicate over the backbone A wired adaptor to communicate over the backbone MAC layer bridging software to filter traffic from the backbone to the wireless subnet MAC layer bridging software to filter traffic from the backbone to the wireless subnet

2001/11/23Prof. Huei-Wen Ferng10 System Engineering Spec. The radio The radio MHz ISM band MHz ISM band GHz ISM band GHz ISM band 250 mw power output in 900 MHz band, 100 mw in the 2.4 GHz band 250 mw power output in 900 MHz band, 100 mw in the 2.4 GHz band MAC MAC CSMA/CA CSMA/CA Modulation Modulation DSSS DQPSK Protocols supported Protocols supported Novell NetWare 2.x and 3.x TCP/IP LAN manger Windows for workgroups Banyan VINES

2001/11/23Prof. Huei-Wen Ferng11 AP’s Functions MAC layer transparent bridge (IEEE 802.1D) MAC layer transparent bridge (IEEE 802.1D) Filtering/forwarding Filtering/forwarding Automatic learning and aging Automatic learning and aging Spanning tree algorithm Spanning tree algorithm SNMP management SNMP management Radio path diagnostics Radio path diagnostics Access control Access control Net ID Net ID

2001/11/23Prof. Huei-Wen Ferng12 Supported PHY Types of Ethernet 10BaseT 10BaseT Twisted pair Ethernet Twisted pair Ethernet 10Base2 10Base2 Thin wire Ethernet Thin wire Ethernet 10Base5 10Base5 Thick wire Ethernet Thick wire Ethernet

2001/11/23 Prof. Huei-Wen Ferng 13 DEC

2001/11/23Prof. Huei-Wen Ferng14 Product Line

2001/11/23Prof. Huei-Wen Ferng15 Protocols Supported Pathworks V4.1 Pathworks V4.1 Novell NetWare 2.x and 3.x Novell NetWare 2.x and 3.x TCP/IP TCP/IP LAN manager LAN manager Windows for workgroups Windows for workgroups Banyan VINES Banyan VINES

2001/11/23Prof. Huei-Wen Ferng16 Products in the World

2001/11/23Prof. Huei-Wen Ferng17 Products DECtransporter for the MS-DOS/MS-Windows DECtransporter for the MS-DOS/MS-Windows A TCP/IP package A TCP/IP package Enables cellular connection with appropriate modem, or a wired connection with appropriate modem Enables cellular connection with appropriate modem, or a wired connection with appropriate modem DECtransporter for OpenVMS VAX DECtransporter for OpenVMS VAX A TCP/IP to packet radio network gateway A TCP/IP to packet radio network gateway Enables connection to a private network over a public packet radio network such as Mobitex or ARDIS Enables connection to a private network over a public packet radio network such as Mobitex or ARDIS

2001/11/23Prof. Huei-Wen Ferng18 Remote Connectivity Configuration

2001/11/23 Prof. Huei-Wen Ferng 19 Solectek AIRLAN

2001/11/23Prof. Huei-Wen Ferng20 Protocols Supported

2001/11/23 Prof. Huei-Wen Ferng 21 Proxim RangeLAN 2

2001/11/23Prof. Huei-Wen Ferng22 Product Line

2001/11/23Prof. Huei-Wen Ferng23 Network Topology

2001/11/23Prof. Huei-Wen Ferng24 System Technology FHSS FHSS GHz ISM band GHz ISM band 15 independent channels 15 independent channels CSMA/CA CSMA/CA 100 mw transmitted power 100 mw transmitted power GaAs semiconductor GaAs semiconductor Power from computer’s internal battery Power from computer’s internal battery

2001/11/23Prof. Huei-Wen Ferng25 AP’s Capabilities MAC layer bridge MAC layer bridge Spanning tree protocol Spanning tree protocol Roaming from one bridge to another Roaming from one bridge to another Transparent to all Ethernets Transparent to all Ethernets SNMP agent provided SNMP agent provided Diverse protocols supported Diverse protocols supported Novell NetWare 2.x, 3.x, 4.x, Lite Novell NetWare 2.x, 3.x, 4.x, Lite LAN manager LAN manager Windows for Workgroups Windows for Workgroups

2001/11/23Prof. Huei-Wen Ferng26 ISA Equipment Interface card Interface card Antenna Antenna Software Software Manual Manual

2001/11/23Prof. Huei-Wen Ferng27 Installation Hardware Hardware Confirm default setting on card Confirm default setting on card Install card in computer Install card in computer Screw antenna onto connector in back of card Screw antenna onto connector in back of card Software Software Copy configured IPX.COM driver to hard disk Load the IPX driver and DOS shell, NETX Copy the LOGIN.EXE file

2001/11/23 Prof. Huei-Wen Ferng 28 Xircom Netwave

2001/11/23Prof. Huei-Wen Ferng29 Product Line

2001/11/23Prof. Huei-Wen Ferng30 Technology FHSS FHSS 50 mw power output 50 mw power output GHz ISM band GHz ISM band Hop every 0.1s Hop every 0.1s Synchronized system Synchronized system

2001/11/23Prof. Huei-Wen Ferng31 Network Topology

2001/11/23Prof. Huei-Wen Ferng32 Two Kinds of Ad Hoc Nets Public hoc networks Public hoc networks Anyone in range can join a public ad hoc network Anyone in range can join a public ad hoc network Named ad hoc networks Named ad hoc networks One station must start a named network One station must start a named network Other stations join if they specify the name Other stations join if they specify the name Optional encryption is available Optional encryption is available

2001/11/23 Prof. Huei-Wen Ferng 33 IBM Wireless LAN

2001/11/23Prof. Huei-Wen Ferng34 Technology FHSS in the 2.4 GHz band FHSS in the 2.4 GHz band 100 mw power output 100 mw power output Antenna receive polarization diversity Antenna receive polarization diversity TDMA MAC layer (FCFS) TDMA MAC layer (FCFS) Ethernet and Token Ring compatibility Ethernet and Token Ring compatibility SNMP agent SNMP agent

2001/11/23Prof. Huei-Wen Ferng35 Administration Function Authentication and privacy Authentication and privacy Users are registered with WNA (wireless network administrator) and provided secret keys Users are registered with WNA (wireless network administrator) and provided secret keys Registered stations are authenticated by AP Registered stations are authenticated by AP Optional encryption is available Optional encryption is available Interference management through change of hopping pattern Interference management through change of hopping pattern

2001/11/23 Prof. Huei-Wen Ferng 36 Motorola Altair

2001/11/23Prof. Huei-Wen Ferng37 Technology Not SS Not SS In the 18 GHz band In the 18 GHz band Low power- 25 mw Low power- 25 mw Comprised of a control module (CM) and a user module (UM) Comprised of a control module (CM) and a user module (UM) 8x11.5x3 inches in size 8x11.5x3 inches in size Antenna internal to module Antenna internal to module Packaging similar for both modules Packaging similar for both modules

2001/11/23Prof. Huei-Wen Ferng38 Network Topology

2001/11/23 Prof. Huei-Wen Ferng 39 Windata

2001/11/23Prof. Huei-Wen Ferng40 Product Line

2001/11/23Prof. Huei-Wen Ferng41 The Hub Functions Connectivity of transceivers Connectivity of transceivers Synchronization Synchronization Access security Access security Power control Power control Network management Network management

2001/11/23Prof. Huei-Wen Ferng42 SNMP Functions Enabling and disabling transceivers Enabling and disabling transceivers Adding and deleting access to stations Adding and deleting access to stations Monitoring performance Monitoring performance Checking status of radio link Checking status of radio link

2001/11/23Prof. Huei-Wen Ferng43 Network Topology

2001/11/23 Prof. Huei-Wen Ferng 44 RadioLAN

2001/11/23Prof. Huei-Wen Ferng45 Product Line ISA card ISA card Parallel port version Parallel port version RadioLAN/10 Access Unit RadioLAN/10 Access Unit Radio transceiver Radio transceiver Base station Base station

2001/11/23Prof. Huei-Wen Ferng46 OS and Driver Support

2001/11/23 Prof. Huei-Wen Ferng 47 Photonics

2001/11/23Prof. Huei-Wen Ferng48 Product Line (for PC) PCMCIA II card PCMCIA II card ISA card ISA card Collaborative parallel option Collaborative parallel option AP AP External transceiver External transceiver

2001/11/23Prof. Huei-Wen Ferng49 IR Transceiver

2001/11/23Prof. Huei-Wen Ferng50 Diffuse IR

2001/11/23Prof. Huei-Wen Ferng51 Network Topology

2001/11/23 Prof. Huei-Wen Ferng 52 Spectrix

2001/11/23Prof. Huei-Wen Ferng53 Network Topology

2001/11/23Prof. Huei-Wen Ferng54 Network Block Diagram

2001/11/23 Prof. Huei-Wen Ferng 55 InfraLAN

2001/11/23Prof. Huei-Wen Ferng56 Directed IR Transceiver

2001/11/23Prof. Huei-Wen Ferng57 Network Topology (Token Ring)

2001/11/23Prof. Huei-Wen Ferng58 Network Topology (Ethernet PTP)

2001/11/23Prof. Huei-Wen Ferng59 Network Topology (Ethernet Hub)

2001/11/23Prof. Huei-Wen Ferng60 Comparisons (Mobile)

2001/11/23Prof. Huei-Wen Ferng61 Comparisons (Wire Replacement)

2001/11/23Prof. Huei-Wen Ferng62 References Rifaat A. Dayem, Mobile Data & Wireless LAN Technologies, Chapter 7. Rifaat A. Dayem, Mobile Data & Wireless LAN Technologies, Chapter 7.