1

Many Opportunities of Being Wireless:Many Opportunities of Being Wireless:

WBN, WPN, WSN, WLAN, and WMNWBN, WPN, WSN, WLAN, and WMN

NCTU/CSNCTU/CS

Prof. Prof. 曾煜棋曾煜棋

2

Definitions

Wireless Sensor Networks (WSN)

Wireless Body Area Networks (WBN)

Wireless Personal Area Networks (WPN)

Wireless Local Area Networks (WLAN)

Wireless Multi-hop Ad Hoc Networks (WMN)

mobile ad hoc network

wireless mesh network

WiMax, WiBro

RFID

3

Ubiquitous deviceHome Gateway

PSTN/ADSL/WiMAX

WLAN/BT

At home, join home (ad hoc) network In the city, join WWAN/WMANUbiquitous device

WLAN/WiMAX

3G

Personal Ad Hoc/WPAN/WLAN

Ubiquitous deviceGateway

WiMAX/3GTrain Ad Hoc

On train, join the moving (ad hoc) network In the office, join group/WLAN network

Wired network

BT

WLANUbiquitous device

Ubiquitous device

Global Roaming: Application ScenariosGlobal Roaming: Application Scenarios

4

Introduction: WSN and WBN

5

Introduction: WSN Scenarios and Applications

6

WSN/WBN Examples

7

WSN/WBN Examples

8

WPN/WLAN: Deployment Scenarios

9

WPN/WLAN: Hot Spots and Train/Highways

10

Wireless Mesh Network (Ad Hoc Networks)

[Source]: D. Beyer, “Wireless Mesh Networks for Residential Broadband,” Nokia, 2002.

Wireless mesh networkfor residential broadband

11

Conclusions

variety of connections

network heterogeneity

many applications

good opportunity for Taiwan industry