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WorksheetsCellular Mobile Computing
Total questions: 10
Worksheet time: 5mins
The actual radio coverage of a cell is called
Foot-print
Sector
Cluster
Co-channel cell
Cells that use the same set of frequencies are referred to as
Co-channel cell
Adjacent channel cell
Sectors
Cluster
Identify the technique that bring better coverage, utility of available frequency spectrum and reduced transmitter power.
Frequency reuse
Trunking
Micro-cell zoning
Diversity
C/I ratio of GSM standard is
>= 9 dB
>= 12 dB
>= 24 dB
None of the above
Identify the Min load and Max load for 1 channel
0 Erlang and 1 Erlang
1 Erlang and 10 Erlang
1 Erlang and 100 Erlang
None of the above
Identify the problem. Both C/I and C/N are < 18 dB and C/I < C/N in the given area
Both co-channel interference and
radio coverage problem
Radio coverage problem
Interference problem
No problem
Q and CCI relation:
Smaller the Q, greater the CCI
Larger the Q greater the CCI
Directly proportional
None of the above
Which is the first launched 1G mobile system in USA?
AMPS
GSM
IS-95
CDMA
Identify the multiple access scheme that uses spot beam antennas.
SDMA
CDMA
TDMA
OFDMA
Identify the modulation method used in GSM.
GMSK
QPSK
16-QAM
FM
