... 8-PSK–CDMA2000 1xRTT•Operates on two 1.25 MHz -wide frequency channels•Supports 144 Kbps packet data transmission2Objectives•Describe wireless wideareanetworks (WWANs) and how they are used•Describe ... pager, satellite telephone, and location services41Summary•In cellular telephone networks, the coverage area is divided into sections called cells•Cellular technology generations–First ... Mbps for a stationary user•3G network technologies–CDMA2000 1xEVDO•For 2.5G CDMA2000 1xRTT networks 25Binary Runtime Environment for Wireless (BREW)•BREW is a thin software environment–Very...
... 95134-1706 USAEnterprise Data Center WideArea Application Services (WAAS) Design GuideThis document offers guidelines and best practices for implementing WideArea Application Services (WAAS) ... TrafficServer to Client TrafficWAE FarmVLAN 28VLAN 2959867 31Enterprise Data Center WideArea Application Services (WAAS) Design GuideOL-12934-01 Design and Implementation DetailsFor ... %LINK-5-CHANGED: Interface Loopback0, changed state to administratively down 45Enterprise Data Center WideArea Application Services (WAAS) Design GuideOL-12934-01 Implementation DetailsNote that the...
... shift to FIR speedWireless CommunicationsLow Rate Wireless Personal Area Networks 2Objectives•Describe a wireless personal area network (WPAN)•List the different WPAN standards and their ... 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...
... a nanosecond long–Signal spreads over a very wide frequency band•In the UWB case, the signal spreads over a band that is at least 500 MHz wide –Orthogonal frequency division multiplexing ... Layer Functionality (continued)Wireless CommunicationsChapter 6High Rate Wireless Personal Area Networks Wireless# Guide to Wireless Communications 36Competition Among WPAN Standards•IEEE ... to Wireless Communications 28How UWB Works•UWB PHY–Digital signals need to be spread over a wide band•Using techniques such as FHSS or DSSS–UWB uses short analog pulses for signaling•Does...
... 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 ... wireless clients can only communicate among themselvesWireless CommunicationsWireless Local Area Networks 4WLAN Components•Minimal hardware needed for a WLAN–Computer–ISP–Wireless network ... motherboard3WLAN Applications•Wireless networks are increasing in popularity•Installing cabling is inconvenient and very expensive–Wireless networks solve this problem•With a wireless...
... easily incorporate WiMAX networks 3What is a WMAN?•Wireless metropolitan areanetworks (WMANs)–Provide wireless connectivity across a substantial geographical area such as a large city•WMANs ... to an entire area with only a few radio transmitters–MMDS cell size can have a radius of up to 35 miles (56 kilometers)2Objectives•Explain why wireless metropolitan areanetworks (WMANs) ... wired networks beyond a single location•Without the expense of high-speed cable-based connections–Extend user mobility throughout a metropolitan area –Provide high-speed connections to areas...
... nam l mt yu t ht sc quan trng. Gii phỏp mng WAN ( WideArea Network - Mng din rng ) c ỏp dng. Chỳng cú nhim v kt hp tt c cỏc mng LAN (Local Area Network ) xa li thnh mt mng duy nht cú ng truyn...
... C. and Heile R. F. Paving the Way for Personal Area Network Standards: anOverview of the IEEE P802.15 Working Group for Wireless Personal Area Networks, IEEE Personal Commu-nications, February, ... and Personal Digital Assistants (PDAs).Wireless Networks3 16Figure 11.14 Main differences between HomeRF versions 1.2 and 2.011Personal AreaNetworks (PANs)11.1 Introduction to PAN Technology ... collocated networks by checking the access code field on thereceived packets which is different for every piconet, as we explain later. However, when alarge number of piconets coexist in the same area, ...