1. Mobile and wireless
communications
Ingrid Moerman

2. Outline
 Main competences
1. Network Architectures
2. Network Protocols (L2-L5) Layer 5 (Application)
Cross Layer
Layer 4 (Transport)
3. Physical Layer (L1) Layer 3 (Network)
Layer 2 (Link)
4. Cross Layer (L1-5) Layer 1 (Physical)
5. Technologies & standardization
 Demonstrations
2

3. 1. Network Architectures
 Access (incl. FMC)
 Mesh
Multimedia service
 Ad Hoc provider network
 Sensor/Actuator
 Satellite SGW
IP-based core network
SGW
aggregation network
AGW
AGW AGW AGW aggregation network
AGW
access network
access network
sensor network
ad hoc network
High mobility environment
Low mobility environment
3

4. 4
Interworking
Co-operation
Energy-efficiency
Scalability
Heterogeneity
(Auto)configuration
Quality of Service
2. Network Protocols
Mobility Support
Data link convergence
Medium Access
Applications
Routing

5. Post Registration Mobile IP with Buffering
CN
HA
Internet
oFA
nFA
oAP
nAP
5

6. Post Registration Mobile IP with Buffering
CN
HA
Internet
oFA
nFA
oAP
nAP
6

7. Post Registration Mobile IP with Buffering
CN
HA
Internet
oFA HRqst
HRply
nFA
oAP
nAP
7

8. Post Registration Mobile IP with Buffering
CN
HA
Internet
Flush MIP registration
oFA
nFA
oAP
nAP
8

9. 3. Physical Layer
 Signal propagation
DVB-H coverage
In Gent
 Low power air interfaces
 Radio technologies
 MIMO  Software Defined Radio  Agile radio  Cognitive radio
Cable Replacements
IEEE 802.15.4a/802.15.3c
WiMAX RF Front -End
SW Programmable DAC
send/receive
IEEE 802.16d,e digital baseband
RF Front -End
platform ADC
send/receive
LAN
IEEE 802.11a,b,e,g,n
Broadcast
Cellular DVB -H, DMB, DAB
GSM, UMTS, 3GPPLTE
 Coupling between hardware design and process technology
9

10. Cognitive Radio: Handover Concept
@ Outdoor: Cellular:
Quick connection to Mesh networks:
internet WSN / Cellular networks
@ Neighborhood: WLAN:
connection to ISP
ALWAYS
@ Home: WLAN BEST @ City: City networks:
VoIP / web access WLAN, WiMAX, Cellular
CONNECTED
10

11. 4. Cross-Layer
 E2E cross layer optimization
 L2 triggered handover
 routing/energy consumption optimization
 content-based scheduling
Application Layer
 Modular protocol design
Basic modules Advanced Optional
modules modules
Network
manage
Cross-Layer
Synchro Data for - ment
- isation
n warding
QoS
Power -
Trans - Load Data
manage -
mission balan- aggre- Mobility
ment
cing gation
Neigh - Position
MAC bor dis - Clus - Rou-
disco -
covery tering ting
very
Physical layer
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12. 5. Technologies & standardization
Mobility
High-speed
train
In vehicle
Driving 3G/UMTS
Be 4G
in country
yo (LT
nd E
3G )
Driving
in city
HSDPA
GSM
DVB-H
In motion
GPRS
DAB
Walking
WiMAX
EDGE
Shifting
802.16a/e
locations
802.11b
802.11a/g
DECT
Stationary
In
UW
802.11n
buildings
B (8
Zi .15.
80
02.1
gB 4/
2
5.3/
ee a
Persona BlueTooth a)
l 802.15.1 WLAN data rate
sphere 12
0.1 1 10 100 Mbps

13. Demonstrations
 GeoBIPS: Geographical Broadbrand Integration for
Public Services
 Wireless Mesh Network
 WBA: Wireless Building Automation
 Energy-Aware Cross-Layer scheduler
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