interdisciplinarity across subject paths & institutions: evolution of the cal-(it)2 project...
TRANSCRIPT
Interdisciplinarity Across Interdisciplinarity Across Subject Paths & Institutions:Subject Paths & Institutions:
Evolution of the Cal-(IT)2 Evolution of the Cal-(IT)2 ProjectProject
Julia GelfandJulia Gelfand
University of California, IrvineUniversity of California, Irvine
IATUL, June 3, 2002IATUL, June 3, 2002
Kansas City, MO, USAKansas City, MO, USA
Semiconductor “System Semiconductor “System Chips”Chips”
• Two trends:Two trends:– increasing use of “embedded intelligence”increasing use of “embedded intelligence”– networking of embedded intelligence networking of embedded intelligence
• In ten years: In ten years: – the big:the big: e.g., terabit optical core, gigabit wireless, ...e.g., terabit optical core, gigabit wireless, ...– the small:the small: e.g., pervasive self-powered sensor e.g., pervasive self-powered sensor
“motes”“motes”– the cheap:the cheap: e.g., one-cent radios e.g., one-cent radios
» short-range (10-100m), low power (10nJ/bit), low bit rate (1-100kbps)short-range (10-100m), low power (10nJ/bit), low bit rate (1-100kbps)
• The consequence:The consequence:– smart spaces, intelligent interfaces, ad hoc smart spaces, intelligent interfaces, ad hoc
networksnetworks
Closed loop control
Neuro-stimulators
On-Body In-HomeAd-hoc Sensor Adaptive Wireless
Devices as Appliances
In-body
The Consequence: The Consequence: Pervasive Embedded Pervasive Embedded
IntelligenceIntelligence
MEMS Sensors
Cal-IT2: An Integrated Approach Cal-IT2: An Integrated Approach to Future of “Embedded to Future of “Embedded Networked Intelligence” Networked Intelligence”
220 UCI, UCSD Faculty in multidisciplinary teams and partnered with 50 Companies
The Cal-(IT)2 Grid Model forWireless Services Middleware
Real-TimeServices
Mobile Code
LocationAwareness
PowerControl Security
Wireless Services Interface
UCI WirelessInfrastructures
UCSD WirelessInfrastructures
Applications
J. Pasquale, UCSD
Data Management
UCI Testbed: A 50-node proxy for UCI Testbed: A 50-node proxy for “embedded and networked “embedded and networked
intelligence”intelligence”
• On-going ExperimentsOn-going Experiments
– On-campus navigation enabled by Web service and seamless WLAN On-campus navigation enabled by Web service and seamless WLAN connectivityconnectivity
– Virtual device/instrument control over Bluetooth linksVirtual device/instrument control over Bluetooth links– Energy-aware application programming, battery-aware communication Energy-aware application programming, battery-aware communication
linkslinks– AutonetAutonet– ““Entity models” of users, node, and link involving time, space and internet Entity models” of users, node, and link involving time, space and internet
navigation.navigation.
Manage and Mine Data
QueryQuery
OrganizeOrganize
ExploreExplore
Sharad Mehrotra UCI, Cal-(IT)2
OS Services for Power/Perform anceM anagem ent
• Goal: M anagem ent of power and perform ance by providing an efficient wayto exchange energy/power related info am ong Hardware / OS / applications
– A power-aware API enables energy-efficient RTOS services and applications
A pplication
PA -A PI
PA -M iddlew are
PO SIX PA -O SL
O peratingSystem
O peratingSystem
M odifiedO S Services
H ardw are A bstraction Layer
PA -H A L
H ardw are
Frequency/Voltage versus Current (executing busy loop)
333
400
466
533
600
666
733
333
400466
533
600666
733
0
100
200
300
400
500
600
0 200 400 600 800
Frequency (MHz)
Cur
rent
(mA
)
Current Varying
Fixed Voltage (1.5V)
Contact Information:Contact Information:
Julia GelfandJulia Gelfand
Applied Sciences & Engineering LibrarianApplied Sciences & Engineering Librarian
Univ. of California, IrvineUniv. of California, Irvine
Irvine, CA 92623-9556 USAIrvine, CA 92623-9556 USA
[email protected]@uci.edu
Tel: 949-824-4971Tel: 949-824-4971
Fax: 949-824-3114Fax: 949-824-3114