Moble Communication

Mobile Communication Solutions for Test 2 Prof. Suthikshn Kumar

Part A Q 1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Part A Q1 Answers: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Part A Q2 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Part A Q2: Answers ,[object Object],[object Object],[object Object],[object Object],[object Object]

Answer Part A Q2 ,[object Object],[object Object],[object Object],[object Object],[object Object]

Part B Q3 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Answers: Part B Q3 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Answers: Part B Q3 ,[object Object],[object Object],[object Object],[object Object],[object Object]

Answers Part B Q4 ,[object Object],[object Object],[object Object],[object Object],[object Object]

DAB sender Trans- mitter Trans- mission Multi- plexer MSC Multi- plexer ODFM Packet Mux Channel Coder Audio Encoder Channel Coder DAB Signal Service Information FIC Multiplex Information Data Services Audio Services Radio Frequency FIC: Fast Information Channel MSC: Main Service Channel OFDM: Orthogonal Frequency Division Multiplexing 1.5 MHz f carriers

DVB for high-speed Internet access ,[object Object],[object Object],DVB-S adapter PC Internet TCP/IP leased line service provider information provider satellite provider satellite receiver DVB/MPEG2 multiplex simultaneous to digital TV

Answers Part B Q5 ,[object Object],[object Object],[object Object],[object Object],[object Object]

GSM: elements and interfaces NSS MS MS BTS BSC GMSC IWF OMC BTS BSC MSC MSC A bis U m EIR HLR VLR VLR A BSS PDN ISDN, PSTN RSS radio cell radio cell MS AUC OSS signaling O

GSM protocol layers for signaling CM MM RR MM LAPD m radio LAPD m radio LAPD PCM RR’ BTSM CM LAPD PCM RR’ BTSM 16/64 kbit/s U m A bis A SS7 PCM SS7 PCM 64 kbit/s / 2.048 Mbit/s MS BTS BSC MSC BSSAP BSSAP

Part C Q6 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Answers: Part C Q6 ,[object Object],[object Object],[object Object],[object Object]

Answer Part C Q6 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MTC/MOC BTS MS paging request channel request immediate assignment paging response authentication request authentication response ciphering command ciphering complete setup call confirmed assignment command assignment complete alerting connect connect acknowledge data/speech exchange BTS MS channel request immediate assignment service request authentication request authentication response ciphering command ciphering complete setup call confirmed assignment command assignment complete alerting connect connect acknowledge data/speech exchange MTC MOC

Answers Part C Q7 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Answers Part C Q7 ,[object Object],[object Object],[object Object],[object Object]

UMTS architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],UTRAN UE CN I u U u

UTRAN architecture ,[object Object],[object Object],[object Object],[object Object],RNC: Radio Network Controller RNS: Radio Network Subsystem Node B Node B RNC I ub Node B UE 1 RNS CN Node B Node B RNC I ub Node B RNS I ur Node B UE 2 UE 3 I u

UMTS protocol stacks (user plane) apps. & protocols MAC radio MAC radio RLC SAR U u I u CS UE UTRAN 3G MSC RLC AAL2 ATM AAL2 ATM SAR Circuit switched SAR= Segmentation and Reassembly AAL2: ATM Adaptation layer 2 PDCP= Packet Data Convergence protocol

Support of mobility: macro diversity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CN Node B RNC Node B UE

Answers Part C Q8 ,[object Object],[object Object],[object Object],[object Object],[object Object]

Answers: Part C Q8 ,[object Object],[object Object],[object Object],[object Object],[object Object]

DECT system architecture reference model global network local network local network FT FT PT PA PT PA VDB HDB D 1 D 2 D 3 D 4

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