User's Manual

Document 2130681. Rev 0.3a Apr.06 33
A
Appendix A: Glossary
1X OneȱTimesȱRadioȱTransmissionȱTechnologyȱ(theȱȈoneȱtimesȈȱ
refersȱtoȱtheȱfrequencyȱspectrum).ȱSupportsȱInternetȱconnecȬ
tionsȱwithȱdataȱratesȱupȱtoȱ153 Kbpsȱ(downlinkȱfromȱtheȱ
network)ȱandȱ76.8 Kbpsȱ(uplinkȱtoȱtheȱnetwork).ȱActualȱspeedȱ
dependsȱonȱtheȱnetworkȱconditions.ȱCompareȱtoȱ1xȬEVDO.
1x-EVDO AȱhighȬspeedȱstandardȱforȱcellularȱpacketȱdataȱcommunicaȬ
tions.ȱRev.ȱAȱsupportsȱInternetȱconnectionsȱwithȱdataȱratesȱupȱ
toȱ3.1 Mbpsȱ(downlinkȱfromȱtheȱnetwork)ȱandȱ1.8 Mbpsȱ
(uplinkȱtoȱtheȱnetwork).ȱRev.ȱ0ȱsupportsȱInternetȱconnectionsȱ
withȱdataȱratesȱupȱtoȱ2.4 Mbpsȱ(downlinkȱfromȱtheȱnetwork)ȱ
andȱ153 Kbpsȱ(uplinkȱtoȱtheȱnetwork).ȱAverageȱdataȱratesȱareȱ
roughly:ȱforȱRev.ȱA:ȱ[TBD]Mbpsȱ(downlinkȱfromȱtheȱnetwork)ȱ
andȱ[TBD]Kbpsȱ(uplinkȱtoȱtheȱnetwork);ȱforȱRev.ȱ0:ȱ
400Ȭ700 Kbpsȱ(downlinkȱfromȱtheȱnetwork)ȱandȱ40Ȭ60 Kbpsȱ
(uplinkȱtoȱtheȱnetwork).ȱActualȱspeedȱdependsȱonȱtheȱnetworkȱ
conditions.ȱCompareȱtoȱ1X.
bps bitsȱperȱsecond—Theȱactualȱdataȱspeedȱoverȱtheȱtransmissionȱ
medium.
CDMA CodeȱDivisionȱMultipleȱAccess—Aȱwidebandȱspreadȱ
spectrumȱtechniqueȱusedȱinȱdigitalȱcellular,ȱpersonalȱcommuȬ
nicationsȱservices,ȱandȱotherȱwirelessȱnetworks.ȱȱWideȱ
channelsȱ(1.25 MHz)ȱareȱobtainedȱthroughȱspreadȱspectrumȱ
transmissions,ȱthusȱallowingȱmanyȱactiveȱusersȱtoȱshareȱtheȱ
sameȱchannel.ȱEachȱuserȱisȱassignedȱaȱuniqueȱdigitalȱcode,ȱ
whichȱdifferentiatesȱtheȱindividualȱconversationsȱonȱtheȱsameȱ
channel.
CDMA 1X Alsoȱknownȱasȱ1X,ȱthisȱisȱaȱhighȬspeedȱstandardȱforȱCDMAȱ
cellularȱcommunications.
circuit switched cellular V.xxȱmodemȱcommunicationsȱoverȱaȱcellularȱnetwork.ȱȱItȱusesȱ
aȱdedicatedȱconnectionȱcircuit,ȱinȱcontrastȱtoȱpacketȬswitched.ȱȱ
Theȱuserȱisȱchargedȱbyȱthe
ȱcarrierȱforȱtheȱdurationȱofȱtheȱ
connection.
dormant TheȱpacketȱdataȱconnectionȱhasȱtheȱlogicalȱPPPȱsessionȱleftȱ
openȱwhileȱtheȱunderlyingȱphysicalȱlinkȱ(theȱradioȱchannel)ȱisȱ
released.ȱWhenȱtrafficȱisȱtoȱresume,ȱaȱradioȱchannelȱisȱreȬ
aquiredȱandȱtheȱoriginalȱPPPȱsessionȱresumes.
ESN ElectronicȱSerialȱNumber—TheȱuniqueȱfirstȬgenerationȱserialȱ
numberȱassignedȱtoȱtheȱAirCardȱforȱcellularȱnetworkȱuse.ȱ
CompareȱtoȱMEID.