Post on 03-Feb-2016
description
transcript
Cellular Phone and Data Cellular Phone and Data StandardsStandards
Past, Present, and FuturePast, Present, and Future
1G Phone and Data Standards1G Phone and Data Standards
VoiceVoice– AMPS - Advanced Mobile Phone SystemAMPS - Advanced Mobile Phone System
DataData– CDPD - Cellular Digital Packet Data CDPD - Cellular Digital Packet Data – Mobitex Mobitex – DataTacDataTac
AMPS - Advanced Mobile Phone AMPS - Advanced Mobile Phone SystemSystem
Analog NetworkAnalog Network Uses Frequency Division Multi-AccessUses Frequency Division Multi-Access 800 MHz800 MHz Low security Low security CDPD for dataCDPD for data Verizon and Alltel still operate networksVerizon and Alltel still operate networks
CDPD - Cellular Digital Packet CDPD - Cellular Digital Packet Data Data
Utilizes unused AMPS phone bandwidthUtilizes unused AMPS phone bandwidth Up to 2.4 KB/sUp to 2.4 KB/s No active networksNo active networks
MobitexMobitex
Data onlyData only 900 MHz900 MHz Max of 1 KB/s, Avg 500 Bytes/sMax of 1 KB/s, Avg 500 Bytes/s Two way pagers, wireless email, Original Two way pagers, wireless email, Original
Blackberry and PDAsBlackberry and PDAs
DataTacDataTac
Data onlyData only 800 Mhz800 Mhz Up to 2.4 KB/sUp to 2.4 KB/s Used in Two way pagers and Original Used in Two way pagers and Original
Blackberry devicesBlackberry devices
2G Phone Standards2G Phone Standards
D-AMPS – Digital AMPSD-AMPS – Digital AMPS iDen – Integrated Digital Enhance NetworkiDen – Integrated Digital Enhance Network GSM – Global System for Mobile GSM – Global System for Mobile
CommunicationsCommunications IS-95 or CDMAIS-95 or CDMA
Digital AMPSDigital AMPS
Digital NetworkDigital Network Utilizes existing 800 MHz AMPS channelsUtilizes existing 800 MHz AMPS channels Uses Time Division Multi-AccessUses Time Division Multi-Access 3 Times the call capacity over AMPs3 Times the call capacity over AMPs SMS and CSD (Data)SMS and CSD (Data)
iDEN – Integrated Digital Enhanced iDEN – Integrated Digital Enhanced NetworkNetwork
Digital NetworkDigital Network 800 MHz800 MHz TDMATDMA SMS, Push to Talk, SIM cards, and WiDEN SMS, Push to Talk, SIM cards, and WiDEN
(Data)(Data) Fastest PTT response timeFastest PTT response time Nextel operated networkNextel operated network
GSM - Global System for Mobile GSM - Global System for Mobile CommunicationsCommunications
Digital NetworkDigital Network 850 MHz and 1900 MHz850 MHz and 1900 MHz TDMATDMA Most used standard todayMost used standard today SMS, SIM cards and later PTTSMS, SIM cards and later PTT Data thru CSD, GPRS, EDGEData thru CSD, GPRS, EDGE Cingular and T-Mobile operate networksCingular and T-Mobile operate networks
IS-95 CDMAIS-95 CDMA
DigitalDigital Uses Code Division Multi-AccessUses Code Division Multi-Access Not widely used in USNot widely used in US Father of CDMA2000Father of CDMA2000
2G Data Standards2G Data Standards
WiDEN - Wideband Integrated Dispatch WiDEN - Wideband Integrated Dispatch Enhanced Network Enhanced Network
CSD - Circuit Switched DataCSD - Circuit Switched Data HSCSD - High-Speed Circuit-Switched DataHSCSD - High-Speed Circuit-Switched Data GPRS - General Packet Radio Service GPRS - General Packet Radio Service EDGE - Enhanced Data rates for GSM EDGE - Enhanced Data rates for GSM
Evolution Evolution
WiDEN - Wideband Integrated WiDEN - Wideband Integrated Dispatch Enhanced Network Dispatch Enhanced Network
Operates over iDenOperates over iDen Communicate on up to 4 channelsCommunicate on up to 4 channels Up to 12.5 KB/s on all 4 channelsUp to 12.5 KB/s on all 4 channels Nextel operated networkNextel operated network
CSD and HSCSDCSD and HSCSD
Operates over GSMOperates over GSM CSD uses 1 time slot for 1 KB/s CSD uses 1 time slot for 1 KB/s HSCSD uses 4 time slots for 7 KB/s HSCSD uses 4 time slots for 7 KB/s Dedicated circuit when connectedDedicated circuit when connected Billed by time connectedBilled by time connected T-Mobile and Cingular limited availabilityT-Mobile and Cingular limited availability
GPRS - General Packet Radio GPRS - General Packet Radio Service Service
Utilizes unused GSM phone bandwidthUtilizes unused GSM phone bandwidth Up to 4 time slotsUp to 4 time slots Speeds 3.75 KB/s – 10 KB/sSpeeds 3.75 KB/s – 10 KB/s Shared connection with everyone in cellShared connection with everyone in cell Billed by amount of data movedBilled by amount of data moved T-Mobile and CingularT-Mobile and Cingular
EDGE - Enhanced Data rates for EDGE - Enhanced Data rates for GSM Evolution - EGPRSGSM Evolution - EGPRS
Enhancement for GPRSEnhancement for GPRS Theoretical max of 8 timeslotsTheoretical max of 8 timeslots Speed of 30 KB/s on 4 slotsSpeed of 30 KB/s on 4 slots T-Mobile and CingularT-Mobile and Cingular
3G Standards3G Standards
Transfer Voice and Data SimultaneouslyTransfer Voice and Data Simultaneously CDMA2000CDMA2000
– CDMA2000 1XCDMA2000 1X– CDMA2000 1X EV-DOCDMA2000 1X EV-DO– CDMA2000 1X EV-DVCDMA2000 1X EV-DV
WCDMA – Wideband CDMAWCDMA – Wideband CDMA– UMTSUMTS
CDMA2000CDMA2000
Family of 3G standardsFamily of 3G standards– CDMA2000 1xCDMA2000 1x– CDMA2000 3x (Not used)CDMA2000 3x (Not used)– CDMA2000 EV-DOCDMA2000 EV-DO– CDMA2000 EV-DV (Not used)CDMA2000 EV-DV (Not used)
Uses CDMAUses CDMA Each handset xmits unique codeEach handset xmits unique code Handsets share same frequenciesHandsets share same frequencies
CDMA2000 1xCDMA2000 1x
Most basicMost basic Max speed of 18KB/sMax speed of 18KB/s Verizon, Sprint, and AlltelVerizon, Sprint, and Alltel
CDMA2000 1x EV-DO CDMA2000 1x EV-DO Evolution Data OptimizedEvolution Data Optimized
Evolution of CDMA2000 1xEvolution of CDMA2000 1x Revision 0 currently deployed in USRevision 0 currently deployed in US
– Max D/L of 320 KB/sMax D/L of 320 KB/s– Max U/L of 77 KB/sMax U/L of 77 KB/s
Revision ARevision A– Max D/L of 396 KB/sMax D/L of 396 KB/s– Max U/L of 230 KB/sMax U/L of 230 KB/s
Verizon and Sprint limited marketsVerizon and Sprint limited markets
WCDMA – Wideband CDMAWCDMA – Wideband CDMA
CDMA NetworkCDMA Network Spread SpectrumSpread Spectrum
UMTS - Universal Mobile UMTS - Universal Mobile Telecommunications SystemTelecommunications System
Successor to GSMSuccessor to GSM Uses WCDMA for Air interfaceUses WCDMA for Air interface Uses 850 MHz and 1900 MHzUses 850 MHz and 1900 MHz HSDPA and HSUPA for DataHSDPA and HSUPA for Data Cingular limited marketsCingular limited markets
HSDPA - High-Speed Downlink HSDPA - High-Speed Downlink Packet AccessPacket Access
Part of UMTSPart of UMTS Speeds of 460 KB/s down and 230 KB/s upSpeeds of 460 KB/s down and 230 KB/s up Future plans for 920 KB/s speedsFuture plans for 920 KB/s speeds Cingular in limited marketsCingular in limited markets
HSUPA - High-Speed Uplink Packet HSUPA - High-Speed Uplink Packet AccessAccess
Offers great upload speedsOffers great upload speeds Max Upload speed of 740 KB/sMax Upload speed of 740 KB/s Cingular to do Field Testing by end of 2007Cingular to do Field Testing by end of 2007