RF Quiz

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  • 8/2/2019 RF Quiz

    1/5

    Which channel is used to transmit random access signals?

    BCCH

    CCCH

    SDCCH

    TCH

    2) Which one of the following is the combination of main BCCH?

    TCH+SACCH

    FCH+SCH+BCH+CCCH

    SDCCH/8+SACCH/8

    FCH+SCH+BCH+SDCCH+SACCH

    3) The Value Range of Timing Advance (TA) in GSM is?

    0-31

    0-127

    0-63

    0-7

    4) How many MS can be paged with 1 paging massage with IMSI?

    1

    2

    3

    4

    5) Directed Retry handover means?

    TCH to TCHSDCCH to TCH

    SDCCH to SDCCH

    None of Above

    6) How many neighbors are measured by MS at a time?

    5

    6

    7

    8

    7) Time Duration of Super Frame?

    3 Hour 28 minutes 53 seconds 760 ms

    6.12 seconds

    235.65 ms

    120 ms

    3) Maximum number of characters allowed in one SMS?

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    160

    170

    180

    150

    4) If you have 5 MHz frequency band what will be the maximum number of channels as perGSM system?

    25

    35

    20

    24

    5) Which kind of Handovers more desired in the Network?

    Rx Level

    Power Budget

    Rx Quality

    Interference

    1) SDCCH holding time for Normal location update is

    3.8ms

    3.5sec

    3.5ms

    None of them

    2) SDCCH holding time for call setup (MOC) is

    2.7sec

    3.5sec

    2.7ms

    3.5ms

    3) Same BCCH-BSIC combination in adjacency will lead

    Will not cause any problem.

    Massive Handove failaur

    Call drop

    B & C

    4) What is the reason of ping-pong handover

  • 8/2/2019 RF Quiz

    3/5

    Cable swap

    No dominant cell coverage

    Improper handover margine

    All of above

    5) If there is interference on the BCCH TRx and the call is going on at the hopping Trx

    Call will drop

    Call will be unaffected

    Call will attempt handover due to this interference

    None of above

    1) If in a cell all KPI is going well but its TCH drop is high,there is no any RF and hardwareissue then this TCH drop will be due to

    Transcoder fail

    Lapd fail

    A & B

    None of them

    2) Which system informations are used in idle mode

    System information 1,2,3,4,7 & 8

    System information 1,2,3,4,5,6,7 & 8

    System information 1,2,3,4,5,6,9 & 10

    System information 1,2,3,4,5,6,7,8,9,10,11,12 & 13

    3) Which system informations are used for BA list

    System information 1,2,3 & 4

    System information 5,6,8,9,10 & 12

    System information 12 & 13

    None of them

    4) Which system informations are used for MA list

    System information 13,10,9 & 4

    System information 5 & 6

    System information 12 & 13

    None of them

    5) Which system informations are used for GPRS

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    System information 9 & 4

    System information 5 & 6

    System information 12 & 13

    None of them

    UMTS

    1) What is 3GPP?

    3rd Generation Partnership project

    3rd Generation Protocol Project

    3rd Generation Physical Protocol

    3rd Generation Packet Protocol

    2) What is carrier Bandwidth for WCDMA?

    5 KHz

    500 KHz

    5000 KHz

    50 KHz

    3) 3GPP Release Band in 2100 MHz?

    2110-2170

    2000-20602120-2180

    2130-2200

    4) What is Power Control Frequency in WCDMA?

    150 Hz

    100 Hz

    1500 Hz

    1500 MHz

    5) What is Chip rate of WCDMA?

    3.84 Kcps

    3.84 Mcps

    3.84 cps

    3.84 Gcps

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    1) How much Trasfer delay allowable in Conversational Class?

    100 ms

    120 ms

    80 ms

    140 ms

    2) How much Trasfer delay allowable in Streaming Class?

    300 ms

    400 ms

    250 ms

    350 ms

    3) How much Guranteed Bit rate in Conversational Class?

    Up to 1 Mbps

    Up to 2 Mbps

    Up to 7 Mbps

    Up to 21 Mbps

    4) What is QoS?

    Quality of Service

    Quality of Sector

    Quality of Standard

    Quality of Site

    5) What is ARP?

    Allocation and Retension Priority

    Allocation and Retension Percentage

    Allocation and Retension Part

    Allocation and Retension Port