46170784 Rover Technology (1)

7/29/2019 46170784 Rover Technology (1)

1/20

TO

SEMINAR


2/20

ROVER TECHNOLOGY

ENABLING SCALABLE LOCATION

AWARE COMPUTING


3/20

ROVER TECHNOLOGY

INTRODUCTION

The technology which enables thescalable location-aware computing. This

involves automatic availability ofinformation and services based on acurrent location of the user. The usermake avail location-aware computingthrough his PDA (Personal Digital

Assistance).


4/20

ROVER SERVICES

LOCATION-AWARE

WIRELESS ACCESS TECHNOLOGIES

BASIC DATA SERVICES

TRANSACTIONAL SERVICES

FILTER

ZOOM

TRANSLATE


5/20

Physical architecture of Rover

System


6/20

ROVER ARCHITECTURE

END USERS

ROVER CLIENTS

WIRELESS INFRASTRUCTURE

SERVERSServer consists of:-

Rover Controller

Location Server

Media Streaming Unit Rover Database

Logger


7/20

ACTION MODEL

Rover controller is built according to aconcurrent software architecture which iscalled the action model.

Scheduling is done in atomic units calledactions.

An action is a small piece of code

All actions are executed in a controlled

manner by the Action Controller The action is executed whenever an I/O

response is received.


8/20

SERVER OPERATION

The transaction is called SERVEROPERATION when a client interacts withthe Rover controller.

A SERVER OPERATION IS ASEQUENCE OF ACTIONS.


9/20

SERVER OPERATION

A Server operation is in one of the

following three states. They are:-

Ready-to-run: At least one action is

eligible to be executed but no action is

executing.

Running: One action is executing

Blocked: Server operation is waiting for

some I/O response


10/20

Logical Architecture of A Rover

System


11/20

ROVER CONTROLER

Rover controller interacts with othercomponents of the system through thefollowing interfaces:-

Locat ion Interface Adm in Interface

Con tent Interface

Back-end In terface

Server Ass istants Interface

Transport Interface


12/20

ROVER DATABASE

The database in a Rover consists of

two components:-

User Infobase and

Content Infobase


13/20

PERSONAL DIGITAL ASSISTANT

A Personal Digital Assistant (PDA) is aHAND HELD COMPUTER, also known as apalmtop computer.

Newer PDAs commonly have color screens

and audio capabilities, to be used as MOBILEPHONES (smart phones), web browsers, orportable media players.

Many PDAs can access the Internet, Intranet

orextranet via Wi-Fi, orWireless Wide AreaNetworks (WWANs). Many PDAs employTouch Screen technology.


14/20

MULTI-ROVER SYSTEM

The multi-rover system is a collection

of independent rover systems that peer

with each other to provide the seamless

connectivity to the users.

The design of a multi-rover system is

similar to the Mobile IP solution to

provide network mobility to devices.


15/20

BASIC FUNCTIONALITY OF THE

ROVER SYSTEM

User activation/deactivation

Device registration /deregistration

Periodic broadcast of events from therover controller

Interaction between users by text

messaging/voice chat


16/20

Display of the Rover Client


17/20

iPAQ Rover Client


18/20

CONCLUSION

Rover is currently available as

adeployable system using specific

technologies, both indoors and outdoors.

The ultimate aim of this scenario is toprovide a completely integrated system

that operates under different

technologies.


19/20

Future Works

The short and long term projects of this

paradigm:-

Experiment with limited capability devices

Location aware Streaming Devices

Interact with cellular providers and

implement this mechanisms on cellular

interface.Multi-Rover System


20/20

PRESENTED BY

JOPHY.JOSEIIIrd PGDCA

on 09/10/2009

SUBMITTED TO

BINI

on 09/10/2009

46170784 Rover Technology (1)

Documents

Transcript of 46170784 Rover Technology (1)