Sidebar: Past, Present and Future of Mobile/Cellular Wireless Data Communications

Bob Brewin   Today’s Top Stories    or  Other Wireless Trends and Technologies Stories  

Advance your BlackBerry(R) solution management know-how this July Seven Steps to Secure and Seamless Field Mobility Managing Mobility: An IT Perspective Demonstrating the Business Value of Mobile Device Management in the Enterprise Sign up to receive Security Resource Alerts

October 13, 2003 (Computerworld) -- 1992
Cellular Digital Packet Data, a digital TCP/IP overlay on U.S. analog cellular phone systems, is introduced. It offers a raw data rate of 19.2Kbit/sec. and actual throughput of 9.6Kbit/sec.
Global System for Mobile Communications (GSM), a digital mobile/cellular standard, is introduced in Europe. It has a data rate of 9.6K to 14.4Kbit/sec.
1995
Sprint PCS Group launches a digital network in the U.S. based on Code Division Multiple Access (CDMA) technology. It offers data rates of 14.4Kbit/sec.
2002
Verizon Wireless and Sprint PCS deploy advanced data services based on CDMA 1xRTT (single-carrier radio transmission technology), which provides peak data rates of 144Kbit/sec. and average throughput of 50K to 70Kbit/sec.
GSM carriers, including AT&T Wireless Services Inc. and Cingular Wireless, deploy next-generation service based on General Packet Radio Service with a raw data rate of 115Kbit/sec. and average data rates of 20K to 40Kbit/sec.
2003
Verizon Wireless in the third quarter begins to deploy CDMA Ev-DO (Evolution-Data Only) service in the San Diego and Washington markets. It offers peak speeds of 2.4Mbit/sec. and average speeds of 400K to 800Kbit/sec.
Cingular Wireless turns on its Enhanced Data GSM Environment (EDGE) service in Indianapolis in June. It offers maximum data rates of 384Kbit/sec. and average rates of 75K and 35K bit/sec. AT&T Wireless plans an all-EDGE network by year's end.
2004
AT&T is expected to offer in four markets data rates up to 2Mbit/sec. and average speeds of 384Kbit/sec. based on the Wideband CDMA (W-CDMA) standard.
2005
Sprint is expected to introduce a high-speed data service based on CDMA Ev-DV (Evolution-Data Voice), which peaks at 2.4Mbit/sec. and has average data rates of 400K to 1Mbit/sec.
2006-07
All GSM and CDMA carriers in the U.S. are expected to offer near-ubiquitous coverage based on the W-CDMA standard.

Print this Story

Send Us Feedback

E-mail this Story

Digg this Story

Slashdot this Story

Sidebar: Past, Present and Future of Mobile/Cellular Wireless Data Communications Megabit Mobile

"Apple yesterday dropped the price of the 64Gb MacBook Air by a whopping $500 ($400 less for the SSD and..." Read more... "It's a cheaper IT Blogwatch: in which Apple cuts the price of the top-end MacBook Air. Not to mention dan..." Read more... Read more Mobile & Wireless posts or See all Blogs

Microsoft promises four patches next week Google gives away home-cooked Web application security scanner Storm botnet stages Fourth of July attacks More top stories...

Microsoft trumpets security additions in upcoming IE8 Apple cuts price of high-end SSD MacBook Air by $500 Ultrathin showdown: Apple MacBook Air vs. Lenovo ThinkPad X300 vs. Toshiba Portege R500

This old laptop: Revitalizing an aging notebook on the cheap All it takes is a couple hours and about $125 to breathe new life into an old laptop. Here's how. Bill Gates moves on Is Microsoft's Golden Age over? What are Gates' most memorable quotes? Find out in Computerworld's complete coverage of the end of the Bill Gates era at Microsoft. Five things you should never tell your boss There are some things your CIO definitely doesn't want to hear. Also don't miss the flipside, Five things you should always tell your boss. Hands-On: Firefox 3 fixes what's broke and keeps what's right With its latest version, Mozilla's browser continues to raise the bar for what Web browsers should be. Windows Vista A to Z Reviews, analyses, how-tos, visual tours, hot issues and predictions about Microsoft's new OS. More Continuing Coverage After 9/11: Homeland SecurityAsk a Premier 100 IT LeaderBlackBerry Legal BattleData Security BreachesElectronic VotingFirefoxH-1B VisasHP's Boardroom ScandalHandheld DevicesHurricane Katrina AftermathMicrosoft Legal IssuesMicrosoft's VistaOpen SourceRFID TechnologySCO's Linux FightSarbanes-Oxley ActSpamVoice Over IPWi-FiWindows Meta File VulnerabilityWindows XP Service Pack 3 IT Careers 2010 Four years from now, the IT field will be a vastly different place. Will you be ready? More Special Reports Premier 100 IT Leaders 2007 Best in Class2006 Computerworld Horizon Awards2006 Premier 100 IT Leaders2006 Salary Survey2007 Best Places to Work in IT2007 IT Forecast2007 Premier 100 IT Leaders40 Years of ComputerworldASPs, Take TwoBest Places to Work in IT 2003Best Places to Work in IT 2004Best Places to Work in IT 2005Best Places to Work in IT 2006Business Intelligence Home RunsBusiness Intelligence: Smarter BIBusiness Intelligence: The Future of BICRM Goes VerticalCRM: Sober CRMCareer Planning Guide 2005Careers: IT Profession 2010Computerworld Horizon Awards 2005Data Management: Mining for GemsData Management: Taming Data ChaosDevelopment: Hard-Workin' Web SitesDevelopment: New Tools New ChoicesDevelopment: The New World of Application DevelopmentDevelopment: The Web Services TsunamiDevelopment: Web Services HurdlesDisaster Recovery: Preparing for the WorstE-commerce Grows UpE-mail/Groupware: Big DecisionsFaces of Mobile ITForecast 2006Global MobileHardware: Multiple Cores, Multiple ChallengesHardware: On-Demand Un-HypedHardware: The Shape of Things to ComeHorizon Awards: 10 Cool Cutting Edge TechnologiesIT Management: Guide to Managing VendorsIT Management: Navigating Global ITIT Management: Recovery AheadIT Management: The Future of ITIT Management: The Resourceful Project ManagerInnovative Technology Awards 2004Management: Reinventing ITMicrosoft in TransitionMobile/Wireless Leaders and LaggardsMobile/Wireless: The Untethered WorkerMobile/Wireless: Tiny Gadgets, Huge CostsNetwork Management: Taking ControlNetworking: Turbulence Ahead!Networking: VoIP Goes MainstreamOperating Systems: In the Slow LaneOperating Systems: Linux Goes GlobalOperating Systems: Should You Nix Unix?Outsourcing: Offshore Buyer's GuideOutsourcing: Outsourcing DangersPremier 100 IT Leaders 2004 Best in ClassPremier 100 IT Leaders 2005 Best in ClassROI: Do the Math!Salary Survey 2003Salary Survey 2004Salary Survey 2005Security Action PlanSecurity: Compliance HeadachesSecurity: Proactive SecuritySecurity: Risk and RewardSecurity: Tips From Security ProsSouped-up SecurityStorage: Battling ComplexityStorage: Cheap & Secure Data StoresStorage: Stretching Your Storage DollarsStorage: The Lean Storage MachineStorage: The New Rules of StorageStorage: The Ultimate Backup GuideSupply Chain: Missing LinksSupply Chain: RFID Reality CheckThe Business of SecurityWeb 2.0 SecurityWireless: Wireless At Work All Zones Application Performance Zone Business Continuity Zone Data Center Management Zone Enterprise-Class Security Zone The File Data Management Zone Grid Computing on Windows Zone Security Management Zone ITIL Best Practices Zone The SAS Zone Storage Virtualization Zone Business Intelligence and Analytics Zone See your link here

Virtualization Everywhere Download this white paper, free, compliments of Citrix. (Source: Citrix) Adoption of virtualization is concentrated among large enterprises, while adoption by mid-sized companies has been much slower. For these companies, the cost and complexity of server virtualization solutions has been a barrier. In this paper, we'll discuss how Citrix XenServer" provides simple, economical server virtualization for any size company. Download now! Download this white paper  Advance your BlackBerry(R) solution management know-how this July Advance your BlackBerry(R) solution management know-how this July BlackBerry Technical Seminar, register today! Go to the webcast  The Untethered Worker (Source: Computerworld) Today's roaming employees expect to be able to work in a conference room, airport, customer site or coffee shop. This report - covering wireless LANs, mobile applications and cellular networks - tells you how to get the job done, avoid chaos and maintain security! Download this executive briefing  White Papers Read up on the latest ideas and technologies from companies that sell hardware, software and services. Deploying Virtualized NetWare on Linux Whitepaper Toward More Flexible, Next-Generation Collaboration Solutions Driving Business Success Through Workgroup Choice and Flexibility View more whitepapers

• Sidebar: Past, Present and Future of Mobile/Cellular Wireless Data Communications
• Megabit Mobile

• Microsoft promises four patches next week
• Google gives away home-cooked Web application security scanner
• Storm botnet stages Fourth of July attacks
• More top stories 

Computerworld Executive Briefing: Automating Network Management IThis briefing looks at the basics of network management, which tend to get lost in the dizzying array of products and processes. It also examines new tools that are on the way to help IT executives deal with management in the new era of automation. Download this Executive Briefing now (a $195.00 value), compliments of ProCurve Networking by HP.

Columnist Bert Latamore digs deep to analyze the latest networking trends. Click here to read the latest column by Bert Latamore

HP StorageWorks EVA4400 Before now, midsize customers settled for either an expensive and complex array or low cost solution that lacked functionality. Now experience virtual storage with enterprise class functionality at an affordable price. View this product demo now