GSM Exam Questions with 100% Correct Answers 2024/2025
9 views 0 purchase
Course
GSM
Institution
GSM
GSM Exam Questions with 100% Correct Answers 2024/2025
Ki - ANSWERSYour personal crypto-variable for network authentication
Kc - ANSWERSYour personal session crypto-variable
BTS - ANSWERSThe cell tower, radio, responsible for encryption/decryption and connecting the MS to the network
...
GSM Exam Questions with 100% Correct
Answers 2024/2025
Ki - ANSWERSYour personal crypto-variable for network authentication
Kc - ANSWERSYour personal session crypto-variable
BTS - ANSWERSThe cell tower, radio, responsible for encryption/decryption and connecting the MS to
the network
BCS - ANSWERSControls multiple BTSs, responsible for radio resource allocation and handovers for its
controlled BTSs
What do the BTS and BSC make up - ANSWERSThe base station sub system
MSC/VLR - ANSWERSControls multiple BSCs, responsible for managing LAs/Temporarily store subscriber
information and assigns temporary IDs
GMSC - ANSWERSFully functional as a MSC, also acts as a connection to external PSTNs
HLR/Auc/EIR - ANSWERSPermanently stores subscriber information/stores all crypto variables associated
withe subscribers/maintains ME status lists
What do the MSC/VLR, GMSC, HLR/AuC/EIR make up - ANSWERSNetwork Switching Sub System
PLMN - ANSWERSMade up of the MCC and MNC, unique to a service provider
LA - ANSWERSGeographical grouping of BTSs and BSCs controlled by a MSC/VLR
, LAI - ANSWERSNetwork identifier made up of the PLMN and the LAC
CID - ANSWERSNetwork Identifier denoting a panel on a BTS
CGI - ANSWERSNetwork identifier made up of the PLMN, LAC, and CID. identifies a panel in a geographic
region on a specific provider in a specific country
BSIC - ANSWERSMade up of the NCC and BCC identifies a signal as GSM
GSM Access Schemes - ANSWERSFDMA and TDMA
Physical vs Logical Channels - ANSWERSThe actual frequency, the information carried across the network
Interference - ANSWERSCo-channel is jamming
Adjacent channel is bleedover
Define a cell - ANSWERSThe area covered by a BTS or Panel on a BTS
Cell Reuse - ANSWERSEfficient use of spectrum due to cost, takes into account co-adjacent channel
interference
GSM frames - ANSWERS200 kHz wide, made up of 8 time slots numbered 0-7
Broadcast Channels - ANSWERSFCCH
SCH
BCCH
What do the Broadcast channels do - ANSWERScenter the MS on the correct frequency, synchronize the
MS timing with the BTS, Broadcast system parameters
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Bensuda. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
