Mobile communications for industrial applications - CERN

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GlossaryAbbreviations, termsAccess pointAntenna diversityDSSSESDERPESMGPRSGPSIEEEIEEE 802.11IEEE 802.11aIEEE 802.11bISM-BandLANOSMPANExplanationsWireless LANs can be connected to wired Ethernet networks via access points. Inaddition, the range of individual wireless LAN components can be extended by thisdevice.Radio receivers equipped with two antennae, permitting the receiver to select one oftwo received signals.Direct Sequence Spread Spectrum.Transmission procedure also used by devices compatible to IEEE 802.11b. One bit ofthe useful signal is transmitted as a code word, corresponding to multiplication(spreading) of the transmission rate.Electrostatic dischargeEnterprise Resource Planning, z.B. SAP R3, Peoplesoft, BAANElectrical Switch Module; electrical network component for Industrial Ethernet withswitching functions of SIMATIC NET.General packet radio service on the basis of GSM channels, permits fast communicationwith high data transfer rates, and is primarily of interest for mobile Internetaccess.Satellite-based global positioning system. Using three of the total of 24 satellites,a GPS receiver can be exactly located worldwide. GPS receivers are usually incorporatedin navigation systems.Institute of Electrical and Electronics EngineersStandard for radio networks in the 2.4 GHz range with transmission rates up to 2 Mbit/s.Standard for radio networks in the 5 GHz range with transmission rates up to 54 Mbit/s.Standard for radio networks in the 2.4 GHz range with transmission rates up to 11 Mbit/s.Industrial, Scientific and Medical Band approved for use of wireless LAN applications.Local Area Network.Optical Switch Module; optical network component for Industrial Ethernet withswitching functions of SIMATIC NET.Personal Area Network, comparable with an ad hoc network for small individualdevices close to one another.14
GlossaryAbbreviations, termsPCMCIARLMRoamingSNMPThin ClientTIATouch-ScreenUSBUMTSWANWinCCWireless WANExplanationsStandard for PC plug-in cards (credit card size). PCMCIA cards (Personal ComputerMemory Card International Association) are primarily used for input/output(e.g. modem) and memory expansions.Radio Link Module; wireless LAN access point of SIMATIC NET.Property of wireless LAN systems which permits free movement of wireless LANstations even beyond the limits of the radio cell of an access point. The station cantransfer from one radio cell to the next without a noticeable interruption if bettertransmission properties exist with the latter.Simple Network Management Protocol; standardized protocol for transport ofnetwork management information.Client computer operating in a server network. The thin client has direct access to thedata and applications of all servers of the network. The applications are executed onthe server, and are only "visualized" on the thin client.Totally Integrated Automation; Siemens system for uniform configuring/programming,data management and communications.The touch-sensitive screen of the MOBIC which recognizes the touched position onthe surface (usually made using a pen) and which converts it into the desired action(e.g. movement of cursor).Standard for connection of I/O devices. USB (Universal Serial Bus) supports relativelyhigh data transmission rates, and can be used to connect several devices to onesingle computer.Universal Mobile Telecommunications System, standard for mobile voice, audio,picture, video and data communications at a transmission rate up to 2 Mbit/s.Wide Area Network; data network with a diameter of more than 50 km.Open process visualization system for operation and monitoring of SIMATIC HMI.Communication between stations carried out by the transmission of electromagneticwaves through the air.15
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Page 3 and 4: Possible applications with MOBICMOB
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Page 7 and 8: Thin client applicationsTerminal se
Page 9 and 10: Products for mobile communicationsC
Page 11 and 12: Wireless technologiesFrequency rang
Page 13: SIMATIC NET contact personsArgentin

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