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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

Cell Phone with Sensor

ICS 280


Kyoungwoo Lee

  • Cellular Phone
    • Architecture
    • BREW
    • Power Consumption
  • Cellular Phone with Sensors
    • Sensor
    • Roles of Cellular Phone
mobile handset
Mobile Handset

Cellular Phone => Convergent Mobile Device

cellular phone
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
  • 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
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
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%)

  • Cellular Phone
    • Architecture
    • BREW
    • Power Consumption
  • Cellular Phone with Sensors
    • Sensor
    • Roles of Cellular Phone
  • 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
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
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
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
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
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

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
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
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
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
  • 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
  • [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/