code division multiple access; telecommunication traffic; fading channels; 3G mobile communication; radio access networks; error statistics; radio links; uplink signal to interference ratio; wideband code division multiple access; WCDMA; random access channel; RACH performance indicator; 3rd generation partnership project; 3GPP; random-access transmission; data bursts transportation; user equipment; slotted Aloha approach; acquisition indicator channel; AICH; traffic load; omni cell; shadowing; fast-fading condition; preamble signal to interference ratio; SIR; mean level; standard deviation;