... they shift to FIR speed Wireless CommunicationsLow Rate WirelessPersonalArea Networks2Objectives•Describe a wirelesspersonalareanetwork (WPAN) •List the different WPAN standards and their ... and ZigBee work•Describe the security features of low-rate WPAN technology 3What is a WPAN? • Wireless personalareanetwork (WPAN) –Group of technologies that are designed for short-range ... a piconet16Low Rate WPAN Security•Security should be of little concern with WPANs•One of the most serious concerns is social engineering•Designing security in WPANs–Much more difficult...
... (continued) Wireless# Guide to Wireless Communications 18Additional MAC Layer Functionality (continued) Wireless CommunicationsChapter 6High Rate WirelessPersonalArea Networks Wireless# Guide to Wireless ... are present in the same order in every frame Wireless# Guide to Wireless Communications 15802.15.3 Network Topology (continued) Wireless# Guide to Wireless Communications 27Ultra Wide Band (UWB)•Allows ... corrected–Also called error correction (FEC) Wireless# Guide to Wireless Communications 26Mesh Networking (802.15.5) (continued) Wireless# Guide to Wireless Communications 28How UWB Works•UWB...
... state is θ0=(γδ/Pa)π0, where we make use of the probabilityPart IWPANS and 802.15.4 Wireless PersonalArea Networks: Performance, Interconnections and Security with IEEE 802.15.4 J. ... 292A.3 Network Topologies and Routing 293A.4 Security 295Appendix B Probability Generating Functions and Laplace Transforms 301Bibliography 302Index 31110 PROLOGUE: WIRELESSPERSONALAREA NETWORKS1.4.2 ... protocol (O’Hara and Petrick 1999) is, strictly speaking, intended for wireless local area networks (LANs), rather than wireless ad hoc networks. However, itis interesting to examine it in some detail,...
... Spectrum Technology 47 Uses of Spread Spectrum 48 Wireless Local Area Networks 48 Wireless PersonalArea Networks 49 Wireless Metropolitan Area Networks 49 FCC Specifications 49 Frequency Hopping ... popular networking certification programs leave off: wireless LANs. Your study of wireless networking will help you bring together two fascinating worlds of technology, because wireless networks ... Chapter 3 Introduction to Wireless LANs 1 The Wireless LAN Market 2 Today’s Wireless LAN Standards 3 Applications of Wireless LANs 3 Access Role 4 Network Extension 5 Building-to-Building...
... (or go to Start > Control Panel > Network) 2. Select your Wireless LAN Card, right click on the icon and select “Properties”. Click on Wireless Network tab. 3. Select the Access ... Windows XP Wireless Utility as an example. 2. Right click on “My Network Places” on your desktop and select “Properties” (or go to Start > Control Panel > Network) . 3. Select your Wireless ... Windows XP Wireless Utility as an example. 2. Right click on “My Network Places” on your desktop and select “Properties” (or go to Start > Control Panel > Network) . 3. Select your Wireless...
... can be implemented to increase network security. There are two primary types of IDS: network based and host-based. The network based system acts similarly to a network level firewall. It cannot ... information about the network con-figuration. Authentication, especially of exter-nal BACnet users. Network Layer Attacks I-Am-Router-To -Network The I-Am-Router-To -Network message can ... traffic across the untrusted network (LAN/Internet). • As a router, separates the trusted network from the untrusted and thus can act as a BACnet firewall, performing network layer or application...
... one considers that the AT&T Wireless IP network can connect to many other networks, including other wireless IP networks, customer networks, value-addedservice networks, online information ... corporate network is connected to the AT&T Wireless IP network, all or part of the corporate network is effectively connected to the AT&T Wireless IP network and, indirectly, to these other networks.Internal ... include wireless data networks requires an understanding of thesecurity being utilized by the existing wireless data technology, as well as the security provided bynetworks to which the wireless network...
... wired network interface port•AP functions– Wireless communications base station–Bridge between the wireless and wired networks6 Wireless Network Interface Card (continued)5 Wireless Network ... of wireless clients and an AP•Extended Service Set (ESS)–Two or more BSS wireless networks installed in same area –Provides users with uninterrupted mobile access to the network •All wireless ... communicate among themselves Wireless Communications Wireless Local Area Networks4WLAN Components•Minimal hardware needed for a WLAN–Computer–ISP– Wireless network interface card–Access...
... WMAN?• Wireless metropolitan area networks (WMANs)–Provide wireless connectivity across a substantial geographical area such as a large city•WMANs primary goals–Extend wired networks ... Wireless Communications Wireless Metropolitan Area Networks14Multichannel Multipoint Distribution Service (MMDS)•Multichannel multipoint distribution service (MMDS) –Fixed broadband wireless ... same network •WiMAX MAC layer makes it easy for carriers to deploy the network •Range of a WiMAX network is measured in miles•Cellular phone operators can easily incorporate WiMAX networks3What...
... 1xEVDO•For 2.5G CDMA2000 1xRTT networks25Binary Runtime Environment for Wireless (BREW)•BREW is a thin software environment–Very small program that resides on a wireless device •Capable ... frequency channels•Supports 144 Kbps packet data transmission2Objectives•Describe wireless wide area networks (WWANs) and how they are used•Describe the applications that can be used on ... 24-hour period30Satellite Transmissions (continued)26Satellite Broadband Wireless •Use of satellites for personalwireless communication is fairly recent•Satellite use falls into three broad...