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