Total Number of usersAlltel HSPA Desisgn AssumptionsDL Maximum Expected Throughput1000kbpsUL Expected Maximum Throughput256kbpsBusy Hour Factor7%BH Data Usage per user9MBCorresponding BH Uplink Data Usage based on UL/DL ratio of 25%2.25MBTime taken by a user to upload 2.25 MB data at peak rate of 256 kbps in BH70.3125secondsTotal number of users that can be accomodated in BH51.2

1 Hour=60 X 60 =3600 Seconds1 user = 70.3 sec1250

Channel ElementBuilding Penetration Loss = 15 dB (Little Rock, AR) HSPA Expected Throughput 1 Mbps DL / 256 kbps ULPercentage of Simultaneous users handled by the RAX Card in UL per site in a busy hourYearNumber of HouseholdsNumber of Sites (Capacity)Number of Sites (Coverage)Number of SitesNumber of Busy Hour users per site ( BH=7%)1 x RAX 32 Board1 x RAX 64 Board1 x RAX 128 Board2 x RAX 128 BoardCE BoardNumber of Simultaneous Users (256 kbps)200827341015151316%31%63%125%RAX128 Board82009414613151910%21%41%83%RAX 64 Board4201055281717239%18%35%70%RAX 32 Board2201169102020248%17%33%66%201282922323258%16%32%63%

Reference: Channel Element Dimensioning GuidelineDocument 62/100 56-HSD 101 02/5 Rev A 2007-03-20

Forecast of Simultaneous UsersYear200820092010201120121 x RAX 32 Board16%10%9%8%8%1 x RAX 64 Board31%21%18%17%16%1 x RAX 128 Board63%41%35%33%32%2 x RAX 128 Board125%83%70%66%63%

Forecast of Simultaneous Users

1 x RAX 32 Board1 x RAX 64 Board1 x RAX 128 Board2 x RAX 128 Board% Simultaneous Users handled by CE Cards in EUL