RF Quiz
Transcript of RF Quiz
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8/2/2019 RF Quiz
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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
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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