wireless body area network ppt

Tài liệu ADC KRONE - Catalogue - Network Connetivity Solution - Work Area Products pptx

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 areas 4-port faceplate 6644 1 154-XX 2 outlet labeling areas and 4 individual port ID areas CopperTen ™ 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 areas Dual-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 1 Work Area Solutions Work Area Solutions Category 6A Modular Jacks *Replace XX with: 01 = White 06 = Blue 02...

Ngày tải lên: 24/01/2014, 15:20

22 471 1
BACnet Wide Area Network Security Threat Assessment ppt

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...

Ngày tải lên: 14/03/2014, 22:20

23 475 2
Low Rate Wireless Personal Area Networks

Low Rate Wireless Personal Area Networks

... using SIR • Then they shift to FIR speed Wireless Communications Low Rate Wireless Personal Area Networks 2 Objectives • Describe a wireless personal area network (WPAN) • List the different WPAN ... work • Describe the security features of low-rate WPAN technology 3 What 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) 12 Bluetooth Protocol Stack (continued) 14 Bluetooth Protocol Stack (continued) • Network topologies (continued) – Scatternet • Group of piconets in which connections exist between...

Ngày tải lên: 13/09/2012, 10:52

18 586 1
High Rate Wireless Personal Area Networks

High Rate Wireless Personal Area Networks

... corrected – Also called error correction (FEC) Wireless# Guide to Wireless Communications 26 Mesh Networking (802.15.5) (continued) Wireless# Guide to Wireless Communications 28 How UWB Works • UWB ... are present in the same order in every frame Wireless# Guide to Wireless Communications 15 802.15.3 Network Topology (continued) Wireless# Guide to Wireless Communications 27 Ultra Wide Band (UWB) • Allows ... and storage Wireless# Guide to Wireless Communications 32 How UWB Works (continued) Wireless# Guide to Wireless Communications 18 Additional MAC Layer Functionality (continued) Wireless Communications Chapter...

Ngày tải lên: 13/09/2012, 10:52

45 579 3
Wireless Local Area Networks

Wireless Local Area Networks

... wired network interface port • AP functions – Wireless communications base station – Bridge between the wireless and wired networks 6 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 Networks 4 WLAN Components • Minimal hardware needed for a WLAN – Computer – ISP – Wireless network interface card – Access...

Ngày tải lên: 13/09/2012, 10:52

18 529 0
Wireless Metropolitan Area Networks

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 Networks 14 Multichannel 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 networks 3 What...

Ngày tải lên: 13/09/2012, 10:52

21 557 1
Describe wireless wide area networks (WWANs) and how they are used

Describe wireless wide area networks (WWANs) and how they are used

... 1xEVDO • For 2.5G CDMA2000 1xRTT networks 25 Binary 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 transmission 2 Objectives • Describe wireless wide area networks (WWANs) and how they are used • Describe the applications that can be used on ... technologies 16 2.5 Generation Cellular Telephony (continued) • 2.5G network technologies – General Packet Radio Service (GPRS) • For TDMA or GSM 2G networks • Uses eight time slots in a 200 KHz spectrum and...

Ngày tải lên: 13/09/2012, 10:52

42 864 0
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