Brokerage 2007 presentation wireless

Mobile and wirelesscommunications

Ingrid Moerman

2

Outline

Main competences1. Network Architectures

2. Network Protocols (L2-L5)

3. Physical Layer (L1)

4. Cross Layer (L1-5)

5. Technologies & standardization

Demonstrations

Layer 1 (Physical)

Layer 2 (Link)

Layer 3 (Network)

Layer 4 (Transport)

Layer 5 (Application) Cross Layer

3

sensor network

Access (incl. FMC) Mesh Ad Hoc Sensor/Actuator Satellite

IP-based core network

Multimedia service provider network

ad hoc network

High mobility environmentLow mobility environment

aggregation network

SGW

access network

AGW

aggregation network

SGW

AGW

AGW

1. Network Architectures

access network

AGW AGW

4

2. Network Protocols

Medium Access

Routing

Applications

Data link convergence

Quality of S

ervice

Mobility S

upport

(Auto)configuration

Heterogeneity

Energy-efficiency

Co-operation

Interworking

Scalability

5

Post Registration Mobile IP with Buffering

InternetInternet

CNCNHAHA

nFAnFA

nAPnAP

oAPoAP

oFAoFA

6

Post Registration Mobile IP with Buffering

InternetInternet

CNCNHAHA

nFAnFA

nAPnAP

oAPoAP

oFAoFA

7

Post Registration Mobile IP with Buffering

InternetInternet

CNCNHAHA

nFAnFAoAPoAP

nAPnAP

oFAoFA HRqstHRqst

HRplyHRply

8

Post Registration Mobile IP with Buffering

InternetInternet

CNCNHAHA

nFAnFAoAPoAP

nAPnAP

oFAoFA FlushFlush MIP registrationMIP registration

9

3. Physical Layer

Signal propagation

Low power air interfaces Radio technologies

MIMO Software Defined Radio Agile radio Cognitive radio

Coupling between hardware design and process technology

SW Programmable

digital baseband

platform

DAC

ADC

RF Front -Endsend/receive

RF Front -Endsend/receive

SW Programmable

digital baseband

platform

DAC

ADC

RF Front -Endsend/receive

RF Front -Endsend/receive

Cable Replacements

IEEE 802.15.4a/802.15.3c

LAN

IEEE 802.11a,b,e,g,n

WiMAX

IEEE 802.16d,e

Cellular

GSM, UMTS, 3GPPLTE

Broadcast

DVB-H, DMB, DAB

DVB-H coverageIn Gent

10

Cognitive Radio: Handover Concept

@ Home: WLANVoIP / web access

@ Neighborhood: WLAN:connection to ISP

@ Outdoor: Cellular:Quick connection to

internetMesh networks:

WSN / Cellular networks

@ City: City networks:WLAN, WiMAX, Cellular

ALWAYS

BEST

CONNECTED

11

4. Cross-Layer

E2E cross layer optimization L2 triggered handover routing/energy consumption optimization content-based scheduling

Modular protocol design Application Layer

Physical layer

Power manage-

ment

QoS

Mobility

Clus -tering

Data aggre-gation

Trans -mission

MAC

Synchro-nisation

Position disco-very

Basic modules Advanced modules

Optionalmodules

Network manage

-

ment

Load balan-cing

Data for -warding

Rou-ting

Neigh -bor dis -covery

Cross-Layer

12

GSMGPRS

DECT

EDGE

3G/UMTS

802.

11b

802.

11a/

g

802.

11n

Personal

sphere

Inbuildings

Shiftinglocations

Walking

Drivingin city

Drivingin country

High-speedtrain

MobilitySt

atio

nary

In m

otio

nIn

veh

icle

0.1 1 10 100 Mbpsdata rateWLAN

DA

B

DVB

-H

WiMAX802.16a/e

HSD

PA

Beyond 3G

4G (LTE)

5. Technologies & standardization

UWB (802.15.3/a)BlueTooth802.15.1

ZigBee

802.15.4/a

13

Demonstrations

GeoBIPS: Geographical Broadbrand Integration forPublic Services Wireless Mesh Network

WBA: Wireless Building Automation Energy-Aware Cross-Layer scheduler