wireless personal area network ppt
Low Rate Wireless Personal Area Networks
... using SIR•Then they shift to FIR speed Wireless CommunicationsLow Rate Wireless Personal Area Networks2Objectives•Describe a wireless personal area network (WPAN)•List the different WPAN ... work•Describe the security features of low-rate WPAN technology 3What is a WPAN?• Wireless personal area network (WPAN)–Group of technologies that are designed for short-range communications–Eliminates ... devices•Include–Bluetooth–802.15.4 (ZigBee)12Bluetooth Protocol Stack (continued)14Bluetooth Protocol Stack (continued)• Network topologies (continued)–Scatternet•Group of piconets in which connections exist between...
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High Rate Wireless Personal Area Networks
... Functionality (continued) Wireless CommunicationsChapter 6High Rate Wireless Personal Area Networks Wireless# Guide to Wireless Communications 36Competition Among WPAN Standards•IEEE 802.15.3 ... 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 ... and storage Wireless# Guide to Wireless Communications 32How UWB Works (continued) Wireless# Guide to Wireless Communications 18Additional MAC Layer Functionality (continued) Wireless CommunicationsChapter...
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Wireless Local Area Network
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wireless personal area networks - performance, interconnection, & security with ieee 802.15.4
... 292A.3 Network Topologies and Routing 293A.4 Security 295Appendix B Probability Generating Functions and Laplace Transforms 301Bibliography 302Index 31110 PROLOGUE: WIRELESS PERSONAL AREA 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, ... 6 PROLOGUE: WIRELESS PERSONAL AREA NETWORKSof periodic beacon transmissions facilitates the process of placing the reservation...
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Tài liệu Where Personal/Desktop Firewalls Fit in a Network pptx
... provide for centralized management and reporting on your personal/ desktop firewalls. It is one thing to manage a handful of perimeter network firewalls. When you start talking about implementing ... great for the IDS/IPS to effectively filter and report on. When implemented as a component of the personal firewall, however, the IDS/IPS can be configured around the very specific traffic that ... extremely important to look in detail at the enterprise-level capabilities of these products. A good personal/ desktop firewall for a home user is not necessarily going to be a good solution for 10,000...
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Tài liệu ADC KRONE - Catalogue - Network Connetivity Solution - Work Area Products pptx
... faceplate 6644 1 152-XX 2 outlet labeling areas and 2 individual port ID areas4-port faceplate 6644 1 154-XX 2 outlet labeling areas and 4 individual port ID areasCopperTen™ 4-port staggered ... TNSCSFPSO4-YY 2 Includes: 2 outlet labeling areas and 4 individual port ID areas. 6-port faceplate 6644 1 156-XX 2 outlet labeling areas and 6 individual port ID areasDual-gang flush mount faceplates ... w . a d c . c o m • + 1 - 9 5 2 - 9 3 8 - 8 0 8 0 • 1 - 8 0 0 - 3 6 6 - 3 8 9 1Work Area SolutionsWork Area SolutionsCategory 6A Modular Jacks*Replace XX with: 01 = White 06 = Blue 02...
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BACnet Wide Area Network Security Threat Assessment ppt
... 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...
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Wireless Local Area Networks
... 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...
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Wireless Metropolitan Area Networks
... 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...
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Describe wireless wide area networks (WWANs) and how they are used
... 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 personal wireless communication is fairly recent•Satellite use falls into three broad...
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