ABSTRACT
Bothtechnologiesgranteachchannelaccesstomorethanonetimeslotinthemultiplex. GPRSalsoaddspacket-switchingtousebandwidthmoreefficientlyandpermit"always-on'' connections.
RegularGSMcallsuseonlyoneslotoutofeight,sointheoryGPRScouldprovidean eightfoldaccelerationtollSKbits/sec.However,thefirstGPRSservices,expectedinEurope byearly2001,willonlyofferafractionofthisrate.Themainreasonisthatafull-speed devicewouldgeneratetoomuchmicrowaveradiation,overheatingthephoneandpossibly threateningtheuser'shealth.
