Joseph Vimal Arulappan

Rebecca Xiaoyan Fan

Vardan Hovsepyan

Daniel Torroba Aguiar

Robin Ghosh

Wireless Apartment Area Networks

21 Mar 07

Mid-term presentation

Introduction

Aim: Propose wireless solutions for apartments

Activities:

Market survey

Analysis

Conclusion on solutions

Proposal of solutions

Market Survey

20%

70%

10%

Wireless

Wired

Other

Internet usage patterns

90

10

0

20

40

60

80

100

%

Yes No

Respondents

Users preferance to access points

% respondents

Overall Market Outlook

0

20

40

60

80

100

%

Satisfactionlevel

Healthawareness

Knowledgeabout tech

Willingness

Market Outlook

18-34 yr

35-49 yr

50-65 yr

Health awareness

Knowledge about wireless solutions

Peoples acceptance

Satisfaction

Wireless Technology Overview

Personal Area Networks (PANs)

Local Area Networks (LANs)

Standards Data Rate Range

802.15.1 1 Mbps <10 meters

802.15.3 400 Mbps <10 meters

Ultra Wide Band (UWB)

Wireless Personal Area Network

Bluetooth

Standards Data Rate Radio frequencies

802.11a up to 54 Mbps 5 GHz

802.11b up to 11 Mbps 2.4 GHz

802.11g up to 54 Mbps 2.4 GHz

802.11n up to 540 Mbps 2.4 GHz or 5 GHz

Wireless Local Area Network Wi-Fi

Solution Capacities

Bandwidth

Coverage

Solution Definition

Financial Analysis

802.11 a > 802.11g > 802.11b > Bluetooth >UWB

300

900

700

0

200

400

600

800

1000

Cost

Bluetooth/UWB 802.11 a 802.11 b/g

Standards

Cost of access points

Cost in SEK

Cost Over the Years

Prices for last 5 years

There has been a dip in prices

Prices would be affordable

0

1000

2000

3000

4000

5000

6000

7000

8000

WAP WiFi card WiFi Radiochip

2002

2007

YoY Comparison

Co

st

in S

EK

Matured technology

Adoption rate is high

Competition is quite high

WI-FI Adoption

Complete or partial coverage?

Omni-directional or directional antennas?

Building construction

Building contents

Coverage Obstacles

DECT and cellphones

Remote control

AM radio

FM radio

Microwave ovens

Fluorescent lamps

Domestic Appliances Frequencies

Confidentiality

Information is accesible for reading only by the authorized bodies

Integrity

The resources are only changed by the authorized bodies

Availability

The resouces are available to the authorized bodies

Security requirements

IPSec (IP Security)

WEP (Wire Equivalent Protocol)

WPA (Wi-Fi Protected Access)

WPA2 (Wi-Fi Protected Access 2)

Kerberos

...

Wireless Security Options

Ionizing/non-ionizing radiation

Health Issues

Specific Absorption Rate (W/Kg)

Max. recommended value 2W/Kg

Health Issues

Type Frequency (MHz)

Max. avg effect

SAR-value

WLAN 2450 0,1 0,01-0,1

Hiperlan 5000 0,2 0,1-1

Bluetooth 2450 0,001 0,001-0,01

Conclusions

Survey Analysis Conclusions Solution

Conclusions

Thank you for your attention!