April 18, 2000

7th ANNUAL IEEE TECHNICAL EXCHANGE MEETING

TETRA Radio Technology for the New CenturyBayan A Al-MobarakComputer & Comms Engineering Dept

AgendaWhat is TETRABenefits of TETRASpectral Efficiency Comparisons TETRA NetworkStandards TETRA System Deployment in Saudi AramcoConclusion

WHAT IS TETRA?TETRA :TErrestrial Trunked RAdio is the latest digital mobile communications standard from the European Telecommunication Standards Institute (ETSI)Mobile Radio open StandardDigital Speech and Data communicationsProvides high quality mobile radio communications that resolve the existing problems

Benefits of TETRA Open Standard System Efficiency Professional Mobile Radio (PMR) Features Longevity

Open StandardMultiple Sourcing System to System RoamingVery Large Market

System Efficiency

Spectral EfficiencyFull DuplexCombined Voice and DataBandwidth on Demand

PMR FeaturesGroup CallIndividual CallTelephone callEmergency CallDirect ModePriority levelFast Call Set-Up

PMR Features, Continued Call Authorized by DispatcherArea SelectionAccess PriorityLate EntryPre-emptive Priority CallDiscreet Listening

Telephone Features Call Hold Call Completion to Busy Subscriber Transfer of Control Include Call

Comparison of TETRA spectrum efficiency with other technologies200kHz bandwidthGSMHalf-rate GSM(future)PMR 25 kHzPMR 12.5 kHzAPCO25 (US)TetrapolTETRA200 kHz carrier8 channels200 kHz carrier16 channels25 kHz channel8 channels / 200 kHz12.5 kHz channels16 channels / 200 kHz25 kHz carrier4 channels / carrier32 channels / 200 kHz

Example of TETRA networkNMSSwMiHPRCentralLogging Recorder

SwMi: Switching and Management infrastructureSCN: Switching and Control NodeNMS: Network Management SystemDC: Dispatch ConsoleBS; Base stationVMR:Vehicular Mounted RadioHPR: Hand-portable RadioBS

TETRA StandardsMobile StationsDirectMode

TETRA NetworkOther TETRANetworkISIVoiceAnd DataPEIPABX, PSTN,ISDN, PDNGatewayAI

TSI

TETRA System Deployment in Saudi AramcoThe new system will enhance the following:

Network congestion up to date technology featureImprove qualityInterferenceOvercome the discontinued manufacturers support

ConclusionsTETRA is the technology that will take the radio professional users to the new millenniumInteroperability testing is creating real competitionTETRA provides the demanding multimedia services needed now and the futureData applications offer concrete benefitsCompletely secure networks can be made with TETRA