Random
Architecture
Radio Interface
Network Acquisition
Mobility Management
100

What is the limiting factor in a GSM radio connection?

Uplink power

100

What are the 3 lists managed by the EIR?

White Grey Black

100

What multiple access scheme(s) does GSM use?

FDMA/TDMA
100

What are the 4 elements of a GCI?

MCC MNC LAC CID

100

Name three Registration Triggers

pwr on/off, changing LAC, T3212

200

Which GSM revision introduced Packet Switching?

GPRS

200

What is the bandwidth of a GSM frame?

200 kHz

200

In what channel is the TA assigned?

SACCH or SDCCH

200

What two messages can be sent by the AGCH?

Immediate assignment or immediate reject

200

What are the Triplets?

Rand, SRES, Kc

300

What is the frequency offset of the DCS band?

95 MHz

300

A BTS with CBA set to 1 is probably what?

Umbrella Cell

300

The approximate distance of a TA ring?

550m

300

A Rssi value of -71 is what RxLEV?

39

300

Which algorithm is used for GSM encryption? 

A5

400

What device turns data or voice into 1s and 0s?

Digital Vocoder

400

What network component assigns Timing Advances?

BSC

400

How are user uplink transmissions separated in a GSM frame?

Timeslots

400

RxQual corresponds to what quality measurement?

Bit Error Rate

400

*H refers to what C2 variable?

Penalty Timer

500

What is the duration of a GSM time slot?

577 microseconds

500

The GMSC retrieves what user identity when querying an external network HLR?

MSRN

500

What is the NCC and BCC:

011001

3-1

500

What is Reject Code 2?

IMSI Unknown

500

What is the value range of Temporary offset?

0-7

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