?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F293%2F&rft.title=Throughput+of+ADSL+Modems&rft.creator=%3D%2C+%3D&rft.subject=Information+and+communication+technology&rft.description=This+paper+considers+the+throughput+of+ADSL+(Asymmetric+Digital+Subscriber+Line)+modems%2C+used+for+high+speed+data+transmission+over+relatively+unreliable+connections%2C+e.g.%2C+copper+telephone+wires.+The+modem+technique+uses+an+error+correcting+code+and+interleaving.+The+settings+include+a+grouping+factor+S+which+affects+the+amount+of+data+per+code+word%2C+the+number+of+redundant+bytes+per+code+word+(R)+and+the+interleave+depth+D.+The+influence+of+these+parameters+on+both+the+effective+data+transmission+rate+and+the+resulting+error+rate+in+the+received+signal+are+determined+for+two+error+situations%3A+random+errors+and+burst+of+errors.+An+approximate+analysis+for+the+random+error+case+of+the+throughput+of+a+TCP+(Transport+Control+Protocol)+connection+using+an+ADSL+modem+shows+that+maximum+throughput+is+obtained+for+the+highest+values+of+S+and+R.&rft.date=1998&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpostscript&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F293%2F1%2Fbroersma.ps&rft.identifier=++%3D%2C+%3D++(1998)+Throughput+of+ADSL+Modems.++%5BStudy+Group+Report%5D+++++