Wireless Base Station

1
Wireless Base Station

• Group 4

James Borley Richard Brooks Jason Hall Adam
Shane Adam Stephens
2
Overview

• Introduction
• Project topics and issues
• Budget
• Timeline

3
Introduction

• Wireless Base Station
• Problems
• Solutions
• Client
• Dr. Shawn Ostermann

4
Overview

• Introduction
• Project Topics and Issues
• Budget
• Timeline

5
Project Topics and Issues

• Hardware
• Operating System
• Wireless Cards and Encryption
• Authentication
• Antennas

6
PC Specifications

• Asus A7S-VM Motherboard
• AMD K7 Duron 850MHz
• 128MB of Micron PC 133 RAM
• Solid State Storage

7
Motherboard Specifications

• Realtek RTL8100 100/10Mbps LAN
• 4 PCI Slots
• Integrated 3D Graphics Accelerator
• Socket A (Supports AMD Duron)

8
Supported Platforms

• Linux
• Macintosh
• Windows

9
Operating System

• Linux
• Scalable
• Free
• Reliable
• Source Available
• Versatile

10
Operating System

• Possible Software Support
• IPSEC
• PPTP
• IPTABLES
• DHCPD
• Apache
• SSL

11
Operating System

• Red Hat 7.x
• Alternative Distributions
• Slackware
• Linux From Scratch (LFS)

12
Wireless PC Cards

• Chipsets
• Lucent
• Intersil
• Cisco
• Support

13
Wireless PC Cards

• Linux Drivers
• Lucent
• Open Source

14
Encryption

• Wireless Equivalent Privacy (WEP)
• Insecure
• Virtual Private Networking
• PPTP, IPSec, L2TP, WTLS
• Other Encryption

15
Types

• Via Web Browser
• Via Client Protocol

16
Via Web Browser

• Web Page
• Login and Password
• Store IP
• Give Network Connection

17
Client Protocols

• Kerberos
• IPSec
• Radius
• LDAP

18
Kerberos

• Client to Server Protocol
• General Description
• Tickets
• Session Keys

19
Kerberos - cont
20
Wireless Card Specs Operating Range at 11 Mb/s

• Internal Antenna
• Open Space 160 m
• Closed Space 25 m
• External Antenna
• Open Space Real far
• Closed Space 25 m

21
Range ComparisonBase Station In Stocker Lobby

• Internal Antenna
• Connect as far away as The Bent
• External Antenna
• Connect as far away as Richland Ave.

22
External Antenna Types

• Directional

• Omni-directional

23
The Decision

• Omni-Directional External Antenna
• Meets our range needs
• Easy to construct
• Inexpensive parts

24
Implementation

• Secondary Objective
• Winter Quarter
• Total Design Cost 50

25
Budget

• Total 500
• Hardware
• Wireless card and adapter - 143
• Motherboard - 95
• RAM - 16
• Processor - 52
• Total Spent - 385

26
Timeline

• Hardware and Software Research
• Purchasing
• Implementation
• Hardware
• Software

27
Summary

• Basic Design
• Functionality
• Current Problems
• Future Solutions