Welcome to your Test Your 3G Knowledge What is UMTS chip rate? 3.84MHz 3.84KHz 5MHz None What is the maximum SF are available in Downlink? 256 512 521 None How many channelization codes are available in Uplink? 512 256 4 None How many scrambling codes in DL? 512 256 1024 None How many scrambling codes in UL? 256 512 More than 10^6 None What is the maximum number of Cells in Active Set? 3 4 8 None How many fingers does a UE rake receiver have? 4 5 3 None What is the frequency of inner power control (how fast is power control)? 100 times a second 1500 times a second. None What is the frequency of outer power control (how fast is power control)? 100 times a second. 1500 times a second None What is the interface between UE to NodeB? Uu Iub Iur None What is the interface between RNC to RNC? Uu Iub Iur None How many OVSF code spaces are available? 512 256 1024 None What is UMTS frame structure duration? 1 msec 10 msec 1 sec None Are scrambling codes orthogonal? Yes No None ..... are used for spreading and despreading of the signals Channelization Codes Scrambling Codes None ....... occurs when 2 cells in the active set belong to same Node-B Hard HO Soft HO Softer HO None Cells that the UE has detected but are not known to the network as yet (missing neighbor likely). Active Set Monitored Set Detected Set None Pilot Pollution is A cell that has high signal strength at a location but is not part of the active set. False True None What is the typical/most common bit rate that a voice call uses? 12.2 Kbps 14 Kbps 64 Kbps None What is the reason of missing Neighbors? AS size is small Pilot Pollution Neighbors are not defined All of the Above None
