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                                  QoS         Monthly fee Cost/kB Volume/day Monthly cost/subs. Total annual cost Total data volume
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Business users         100000     High                 50    0,02       1000              650          780          36500
"Normal" users        1000000     Normal               25    0,01         20               31          372           7300
Web surfers           1000000     Best effort          50        0       250               50          600          91250 <= Off-peak
Computers              100000     High                 50      0,1        20              110          132             730 <= Off-peak
Total                 2200000                                                                         1884         135780 GB/a




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                                                Per   sec                4,3    MB/s
                                                Per   sec               34,4    Mbps

 Peak hour data volume                          Per   year           43800      GB/a
                                                Per   day              120      GB/d
                                                Per   hour              30      GB/h       All data in 4 busy hours
                                                Per   sec              8,3      MB/s
                                                Per   sec             66,7      Mbps

 Number of time slots needed                                           6667 TSs      Average 10 kbps/TS
                                                Carriers                833 Carriers



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GPRS: 7.10.1998              Hannu H. Kari/HUT/TSE-Institute        Page 37

				
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Description: GPRS is General Packet Radio Service the short, it is GSM mobile phone users a mobile data service available. GSM GPRS can be said that a continuation. GPRS and the past continuous in the channel transmission in different ways, based on the packet (Packet) type to transfer, so the cost is borne by the user to transfer data units in its calculation, not using its entire channel, theoretically cheaper. GPRS data transfer rate can be increased to 56 or even 114Kbps.