gsm stands for global system for mobile
GSM Global System for Mobiles
... (900)35351241010452x7.22x7.22x25460.4-467.6488.8-496869-894450.4-457.6 478.8-486 824-849 GSM 450 GSM 480 GSM 850DuplexchannelsDuplexSpacingBandDownlinkUplinkGSM systems GSM TimeDivisionMultiplex Frame and Physical ChannelsTS ... time-slotsBTS sideMSs sideBTSTDMA Frame (4.615 ms)3TOPICS• GSM CONCEPTS• GSM SYSTEM ARCHITECTURE• IDENTITIES USED IN GSM • GSM CHANNELS• GSM RADIO LINK• MOBILITY MANAGEMENT• CALL MANAGEMENT• ... messages• International Mobile Equipment Identifier (IMEI)38 GSM ArchitectureHLRVLREIRAUCMSCBSCBSCSMSCPSTNVMSC Mobile Station GSM Air interfaceOMCRTRAUBase Station System Network and...
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Tài liệu Panache: A Parallel File System Cache for Global File Access ppt
... single-node caching file system layer for Linux that can be used to enha nce the performance ofa distributed file system such as NFS [18]. FS-Cache isnot a standalone file system; instead it is ... and per-formance of a trad itional cluster file system regardlessof the physical distance between data centers.Panache is a scalable, high-performance, clustered file system cache for parallel ... [29] are high ly-scalable objectbased cluster file systems. These efforts have focused onimproving file-serving performance and are not desig ned for remo te ly accessing data from existing file...
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Sprite: A Simple, Cheat-Proof, Credit-Based System for Mobile Ad-Hoc Networks potx
... bandwidth and storage requirement.B. System performance vs. network resourceWe next evaluate the performance of our system. One majormetric of the performance of our system is the message successrate, ... Sprite, a simple, cheat-proof, credit-based system for stimulating cooperation among selfish nodes in mobile ad hoc networks. Our system provides incentive for mobile nodes to cooperate and report actions ... discussed in Sec-tion III, although our system provides incentive for cooperationby giving more credit for forwarding a message, whether ornot to forward a specific message will depend on the...
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A Fast File System for UNIX
... McKusick, M., "Performance Effects of Disk Subsystem Choices for VAX Systems Running 4.2BSD UNIX", Computer Systems Research Group,SMM:05-12 A Fast File System for UNIXadministration ... byte blockUNIX file system. The new file system uses less space than the 512 byte or 1024 byte file systems for indexing information for large files and the same amount of space for small files. These ... [Operating Systems]: Performance −measurements, operational analysis; H.3.2 [Information Systems]: Information Storage − file organizationAdditional Keywords and Phrases: UNIX, file system organization,...
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A web-based system for notifying environment violation.doc
... 13Web-based Geographic Information System 133.1. Geographic Information System overview 133.1.1. Definition 133.1.2. Data representation in GIS system 133.1.3. Other terms in GIS system 153.1.3. ... according its permission.4.3. System architectureGreenPeace applied the three-tier architecture for dynamic web based system. It combines rich client design and web-based GIS system at presentation ... of Java Platform that runs on the web-based. Java binary codes may be downloaded to browser before processing.- Microsoft Silverlight: The newest web platform from Microsoft to perform logic...
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Efficient core selection for multicast routing in mobile ad hoc networks
... suitable for mobile network with unrestricted mobility node. 4 The information required to calculate the centroid node can easily integrate with the existing CBT multicast protocol for mobile ... protocol. A mobile node forms a RREQ message when it wants to join a multicast group or has information to send to a multicast group, but exists no route to this group. - 15 -In a mobile ad ... numbers are lower for the same group. Thus, for a certain group, a node will have only one entry in the list of its connections from a given neighbor, and it just keeps that information with the...
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VoIP for Global Communications
... Press, New York,1999.126VoIP FOR GLOBAL COMMUNICATIONS8VoIP FOR GLOBAL COMMUNICATIONS1This Chapter discusses how IP-based voice communications can be deployed for global communications in multinational ... An architecture for a packet-based global network for advanced orenhanced VoIP and POTS services in a multinational corporation.) (Source: Adaptedfrom Fig. 3-8)120VoIP FOR GLOBAL COMMUNICATIONSIf ... a destination, and so on. Therefore, addi-tional resources need to be allocated for these hardware and software plat-forms.The network performance–related information collected using these...
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DIY CO2 System for Planted Aquarium
... replacement a breeze!DIY CO2 System for Planted Aquarium5 de 25 25/7/2005 15:44 system. In pressurized tank systems, there is generally no liquids, or solids for that matter, to foul or ... ProductsAquarium SystemsMaxi-Jet PH 600That Fish PlaceBig Al'sDIY CO2 System for Planted Aquarium2 de 25 25/7/2005 15:44atmospheric equilibrium are generally around 2-3ppm. (ppm stands for part ... together.DIY CO2 System for Planted Aquarium19 de 25 25/7/2005 15:44Using any or both of these saftey systems insures improved performance and reliability of your overall system. These...
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Tài liệu Development of an Observe-By-Wire System for Forklifts Using Haptic Interfaces pptx
... clearly shown that the OBW system could improve the visibility as well as forklift performances. 2. OBSERVE BY WIRE FOR FORKLIFTS 2.1 System overview Operating a forklift is a specialized ... transmit the view of forks’ environment in term of force feedback information, and we named it as observe-by-wire system. (a) (b) Fig. 2 The OBW system configuration, a forklift lifts loads ... (5). Fig. 3 The haptic interface is developed for the OBW system Fig. 4 The haptic interface is developed for the OBW system A fork system and working environment and control algorithm...
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Tài liệu ADC KRONE - Pre-Design Cabling System for Banking Finance Cover ppt
... Healthcare Servicesl Hospitality and TourismIf a brochure for your industry is not listed above,please contact KRONE for further information.ZEROBITERRORRATEGUARANTEED ... Constellation StreetMairangi BayNorth Shore CITYTel (+64 4) 478 1625Fax (+64 4) 478 1620 For information on any KRONEPremisNETstructured cabling solution, including TrueNetTechnology, please ... HEAD OFFICE2 Hereford StreetBERKELEY VALENSW 2261Tel (02) 4388 4422Fax (02) 4388 4499PO Box 335WYONGNSW 2259...
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Tài liệu Wireline Service Delivery Products For Global Markets pptx
... CACHD-53 for CAFLEX interface card*Catalog NumberOrdering Information 5/06 • 101345AEWireline Service Delivery Products for Global MarketsWireline Service Delivery Products For Global MarketsTable ... designed for the diverse telecommunication needs of global markets. Ideal for telco and enterprise networks, WorldDSL G.S products conform to internationalstandards to ensure compatibility, performance ... – for use in DC environments with any plug-in module or for high temperature environments with the UTU-801, L4.Ordering Information5/06 • 101345AEWireline Service Delivery Products for Global...
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