RNV Vehicular Communications Part II
Transcript of RNV Vehicular Communications Part II
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Prof. Roberto Verdone
www.robertoverdone.org
RNV
Vehicular Communications – Part II Radio Networks for Vehicular Communications
Roberto Verdone www.robertoverdone.org
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Prof. Roberto Verdone
www.robertoverdone.org
Outline
1. Network Architectures: Evolution From GSM towards 5G
2. Mobility Management
3. 2G (GSM): Numerology
4. 2.5G (GPRS)
5. 3G (UMTS): Numerology
6. LTE: Numerology
7. Application to Vehicular Communications
The scope of this lecture block is to introduce the fundamentals of
network architectures for mobile radio networks.
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Prof. Roberto Verdone
www.robertoverdone.org
1. Network Architectures
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Prof. Roberto Verdone
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Base Station Mobile Station BS Controller Radio Link PP Link
Core
Network
Other Networks
Cells
Service Area
RAN Architecture: 2G
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Prof. Roberto Verdone
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MS
MS
PSTN
Other MSCs
HLR, VLR,
AuIC, OMC, …
Network Architecture: 2G
BTS
BTS
BSC
MSC
RAN Core
Network
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Prof. Roberto Verdone
www.robertoverdone.org
MSC
GSN BTS
BTS
BSC
MS
PSTN
IP
Core
Network
Network Architecture: 2.5G
MS
GERAN
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Prof. Roberto Verdone
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BSC
MS BTS
BTS MS
RNC
UE NodeB
NodeB UE
Other RNCs
Network Architecture: 3G
PSTN
IP
Core
Network
UTRAN
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Prof. Roberto Verdone
www.robertoverdone.org
UE eNodeB
eNodeB UE
Network Architecture: LTE (4G)
PSTN
IP
eUTRAN Evolved
Core
Network
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Prof. Roberto Verdone
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Network Architecture: 5G
UE eNodeB
eNodeB UE
RRHs
BBU
PSTN
IP
Evolved
Core
Network UE eNodeB
eNodeB UE
eUTRAN
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Prof. Roberto Verdone
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Admission Control The process of determining whether
a service request can be admitted to the system
Directed Retry The process of re-directing a new user
toward a base station
different from the one providing best link budget
Channel Allocation The process of choosing the channel
(and the number of RUs) to be allocated to the user
Power Control The process of setting the transmission power level
Hard Handover The process of changing serving base and/or channel
Soft Handover The process of modifying the set of serving bases
Load Control The process of controlling the load of the network
Radio Resource Management
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Prof. Roberto Verdone
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BSC
MS BTS
BTS MS
Channel Assignment
Power Control
Handover
Admission Control
Load Control
Power Control
Network Architecture: 2G
PSTN
IP
Core
Network
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Prof. Roberto Verdone
www.robertoverdone.org
BSC
MS BTS
BTS MS
Power Control
Handover
Admission Control
Load Control
Scheduling
Power Control
Network Architecture: 2.5G
PSTN
IP
Core
Network
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Prof. Roberto Verdone
www.robertoverdone.org
BSC
MS BTS
BTS MS
RNC
UE NodeB
NodeB UE
Power Control
Handover
Admission Control
Load Control
Power Control
Load Control
Scheduling
Power Control
Power Control
Network Architecture: 3G
PSTN
IP
Core
Network
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Prof. Roberto Verdone
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UE eNodeB
eNodeB UE
Network Architecture: LTE (4G)
Power Control
Power Control
Handover
Admission Control
Load Control
Load Control
Scheduling
PSTN
IP
Evolved
Core
Network
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Prof. Roberto Verdone
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PSTN
IP
Evolved
Core
Network UE eNodeB
eNodeB UE
Network Architecture: 5G
UE eNodeB
eNodeB UE
RRHs
BBU
Power Control
Power Control
Handover
Admission Control
Load Control
Scheduling
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Prof. Roberto Verdone
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CN Architecture: 2.5G
(Control Plane)
(User Plane)
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Prof. Roberto Verdone
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CN Architecture: LTE
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Prof. Roberto Verdone
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2. Mobility Management
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Prof. Roberto Verdone
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MSC
GSN
PSTN
IP
Core
Network
Mobility Management (Macro Level): HLR, VLR
HLR
VLR
eNodeB
eNodeB
UE
UE eNodeB
eNodeB
Area 1
Area 2
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Prof. Roberto Verdone
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Mobility Management (Micro Level): Location Areas
LA1
LA2
UE
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Prof. Roberto Verdone
www.robertoverdone.org
3. 2G
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Prof. Roberto Verdone
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2G (GSM)
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Prof. Roberto Verdone
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2G (GSM)
F-TDMA: Bc = 200 KHz; Rb = 271 Kbit/s
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Prof. Roberto Verdone
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4. 2.5G
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Prof. Roberto Verdone
www.robertoverdone.org
2.5G (GPRS)
F-TDMA: Bc = 200 KHz; Rb = 271 Kbit/s
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Prof. Roberto Verdone
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2.5G (EDGE)
F-TDMA: Bc = 200 KHz; Rb = 3x271 Kbit/s
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Prof. Roberto Verdone
www.robertoverdone.org
5. 3G
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Prof. Roberto Verdone
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3G (UMTS)
F-T-CDMA: Bc = 5 MHz; Rb = up to about 2 Mbit/s
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Prof. Roberto Verdone
www.robertoverdone.org
6. 4G
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Prof. Roberto Verdone
www.robertoverdone.org
4G (LTE-A)
OF-TDMA: Bc = 5 x N MHz; Rb = up to about 225 Mbit/s
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Prof. Roberto Verdone
www.robertoverdone.org
7. 5G
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Prof. Roberto Verdone
www.robertoverdone.org
5G
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Prof. Roberto Verdone
www.robertoverdone.org
5G
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Prof. Roberto Verdone
www.robertoverdone.org
5G
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Prof. Roberto Verdone
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5G
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Prof. Roberto Verdone
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8. Application to Vehicular Comms.: 5G
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Prof. Roberto Verdone
www.robertoverdone.org
Application to Vehicular Comms.: 5G
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Prof. Roberto Verdone
www.robertoverdone.org
Application to Vehicular Comms.: 5G
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Prof. Roberto Verdone
www.robertoverdone.org
Application to Vehicular Comms.: 5G
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Prof. Roberto Verdone
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Application to Vehicular Comms.: 5G