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Cell Phone with Sensor. ICS 280 1/10/2005 Kyoungwoo Lee. Contents. Cellular Phone Architecture BREW Power Consumption Cellular Phone with Sensors Sensor Roles of Cellular Phone. Mobile Handset. Cellular Phone => Convergent Mobile Device. Cellular Phone. Key Features of Motorola V710

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Cell phone with sensor l.jpg

Cell Phone with Sensor

ICS 280


Kyoungwoo Lee

Contents l.jpg

  • Cellular Phone

    • Architecture

    • BREW

    • Power Consumption

  • Cellular Phone with Sensors

    • Sensor

    • Roles of Cellular Phone

Mobile handset l.jpg
Mobile Handset

Cellular Phone => Convergent Mobile Device

Cellular phone l.jpg
Cellular Phone

  • Key Features of Motorola V710

    • MSM6100 chipset with ARM926EJ-S up to 150 MHz

    • 1.2 Megapixel Camera w/ Zoom

    • MP4 Video Capture & Playback

    • Integrated MP3 Player

    • Bluetooth

    • BREW 2.1

    • MMS (Multimedia Messaging Service)

    • TransFlash Memory Expansion Slot up to 128 MB

Slide6 l.jpg

  • Binary Runtime Environment for Wireless

  • End-to-end solution for :

    • Wireless application development

    • Device configuration

    • Application distribution

    • Billing & Payment

  • BREW includes :

    • BREW SDK for application developers

    • BREW client software & porting tools for device manufacturers

    • BDS(BREW Distribution System) for operator

Power consumption l.jpg
Power Consumption

  • Power Measurement

    • Power Consumption

      • 3 hours talking and 165 hours standby with 750 mAh battery

    • Application level power measurement

      • Idle

      • Video Application

      • Talking

    • Define each status

Experimental results l.jpg
Experimental Results

  • 1: IDLE_Nothing

  • 2: IDLE_Light

  • 3: IDLE_Browsing

  • 4: ACT_VideoCapture

  • 5: ACT_VideoPlay

  • 6: ACT_Talk

  • Output Video File

    • 170~180 KB

    • MP4

    • 15 Seconds

    • ~96kbps

Energy Overhead on Video Application(50~60%) and Backlight(81%)

Contents10 l.jpg

  • Cellular Phone

    • Architecture

    • BREW

    • Power Consumption

  • Cellular Phone with Sensors

    • Sensor

    • Roles of Cellular Phone

Sensor l.jpg

  • What it senses

    • Home Monitoring

    • Health Monitoring

    • Environment Monitoring

    • Habitat Monitoring

    • Earthquake Monitoring

    • Battlefield Monitoring

      Sensors exist everywhere

      Monitoring of physical world & its phenomena

  • Additional Features

    • Data Processing

    • Communication

    • within Low-Power Constraints

Cellular phone12 l.jpg
Cellular Phone

  • Main Function

    • Mobile Phone to connect people

  • Additional Features

    • Message Service

    • Camera and Camcorder

    • Multimedia Playback

    • with powerful computing and infrastructure-based network

    • Battery-operated

  • Roles for Sensors

    • A bunch of sensor nodes

    • A central node or a proxy server for sensor network

    • A terminal to human for sensing data

A cell phone as a sensor l.jpg
A. Cell Phone as a Sensor

  • To collect, to process, and to distribute data around people

  • Home Care

    • scan environmental data and forward it to care center

    • e.g.) check the gas leakage or poisonous material

  • Health Care

    • sense user’s health status and update/keep it.

    • e.g.) keep the heart rate or blood sugar rate for diabetics

  • Emergency Care

    • catch the emergent situation around people and scan/send data

    • e.g.) send rescue calls and captured data like picture

A 2 health care l.jpg
A-2. Health Care

  • People want to check their health simply

  • LG KP8400 : Diabetics Phone

    • Blood Sugar Testing Phone

      • place a strip of testing paper located near battery

      • place a drop of blood on the end of the strip

      • get a reading from the phone

      • upload to an online database for later retrieval

         Mobile Handset provides tools to check our health status and to keep or accumulate it

A 2 health care cont l.jpg
A-2. Health Care (cont’)

  • What else for heath care?

    • Very basic but important health care services

    • NONIN Onyx 9500 : Digital Finger Pulse Oximeter

      • Read data over fingertip

      • Real-time information on Heart-Rate and Blood Oxygen Saturation Level

         Simple devices for health care can be converged into mobile phones to check the health by user

A 3 emergency care l.jpg
A-3. Emergency Care

  • Cellular phone carries rescue button call for safe

  • Curitel PG-L5000 – SOS Phone

    • Emergency Button Call

      • Call at three saved numbers

      • Take two pictures and send them

      • Inform others of the position using GPS

         Mobile Handset senses emergent data

B cell phone as a proxy l.jpg

Sensor Network

Cellular Network

B. Cell Phone as a Proxy

  • To use computing power and communication ability of cell phones for sensor network like a Proxy or a central node

  • Offloading technology

    • CPU:1s MHz in Sensor VS 100s MHz in Cell Phone

    • e.g.) sensor captures images and cell phone encodes/encrypts them and transmits them.

C cell phone as a terminal l.jpg
C. Cell Phone as a Terminal

  • A terminal to human for sensing data

    • User can get information from sensor network immediately after requesting

  • An interface to human for information

    • User can collect preferred data through cellular phone

C 1 security l.jpg
C–1. Security

  • Cellular phone scans user’s fingerprint

  • LG LP-3800 with Fingerprint Scanner

    • AuthenTech sensor for fingerprint recognition

    • Locked for unwanted user to use the phone

       Mobile Handset recognizes unique data for personal security

C 2 code interface l.jpg
C-2. Code Interface



  • Colorzip.com : "ColorCode" - an interface connecting you to online contents

    • Media provides ColorCode

    • User camera on phone recognizes it

    • Server provides contents to client

    • User enjoys the contents

       Mobile Handset provides an interface like camera to read and process data



Wrap up l.jpg

  • Cellular Network might be a huge-covering and very potential Sensor Network.

  • More Friendly and Closer to Human Being

  • Mobile Handset has an interface for sensing data and functionalities of computing and communication

References l.jpg

  • [BREW2004Conf] http://brew.qualcomm.com/brew/brew_2004/

  • [BREW] http://brew.qualcomm.com/brew/en/

  • [Healthpia] www.healthpia.com

  • [Diabetic] http://www.mobileburn.com/news.jsp?Id=896&source=SIDEBAR

  • [SOS] http://www.curitel.com/html/product/lineup/feature.asp?serial_no=50

  • [FingerPrint] http://www.3g.co.uk/PR/Sept2004/8318.htm

  • [Nonin] http://www.nonin.com/products/9500.asp

  • [ColorCode] http://www.colorzip.com

  • [Howard] Andrew Howard, Maja J Matari´c, and Gaurav S Sukhatme, “Mobile Sensor Network Deployment using Potential Fields: A Distributed, Scalable Solution to the Area Coverage Problem” the 6th International Symposium on Distributed Autonomous Robotics Systems (DARS02)

  • [AdHoc] http://www.acticom.de/fileadmin/data/publications/WWRF9_White_Slides.pdf

  • [Joseph] Anthony Joseph, B.R. Badrinath, and Randy Katz, "A Case for Services over Cascaded Networks", First ACM/IEEE International Conference on Wireless and Mobile Multimedia (WoWMoM'98), October 30, 1998.

  • [Rutgers] http://www.research.rutgers.edu/~mini/sensornetworks.html

  • [CENS] http://www.cens.ucla.edu

  • [Crossbow] http://www.xbow.com/