Presence and Integrated Presence and Integrated Xiaotao Wu Henning Schulzrinne ([email protected]) (with slides from Ben Teitelbaum, Internet2) VON Spring 2004 (Santa Clara, CA) March 31, 2004 Communications (PIC) Working Group Communications (PIC) Working Group
Presence and Integrated. Communications (PIC) Working Group. Xiaotao Wu Henning Schulzrinne ([email protected]) (with slides from Ben Teitelbaum, Internet2) VON Spring 2004 (Santa Clara, CA) March 31, 2004. Goal. - PowerPoint PPT Presentation
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Communications (PIC) Working Communications (PIC) Working GroupGroup
GoalGoalCommunication is enhanced through
the inclusion of rich presence information, through which participants may see not only who is on-line, but also where they are and what they are doing, so that communications becomes planned and desired instead of disruptive and haphazard.
Internet2 Presence and Internet2 Presence and Integrated Communications WG Integrated Communications WG (PIC)(PIC)
Venue: Spring 2004 Internet2 Member Meeting, Arlington, VAPresence Elements (anticipated): location (automatic); room session name; session end time; per-room internet weather
Honolulu, January 2004Venue: Winter 2004 Joint Techs Workshop, University of HawaiiPresence Elements: location (automatic); room session name; session end time; per-room internet weatherClients: sipc (Windows, Linux); presence portal
Indianapolis, October 2003Venue: Fall 2003 Internet2 Member Meeting, Indianapolis, INPresence Elements: location (manual); room session name; session end time; Clients: sipc (Windows, Linux); Session (Mac, Windows); presence portal
Technical detailsTechnical details
SUBSCRIBEto my location
PUBLISHpresence status
NOTIFYmyselfand others’ locations
by Jamey from HP
802.11 Signal Strength Location 802.11 Signal Strength Location TrackingTracking
Room-level accuracyUnassociated 802.11 monitoring of all channels in use Gathers signal strength measurements of each
client Clients visible from multiple monitors
Triangulation difficult due to walls, multipath effects Match signal strength signature of target locations Calibrate system by gathering signatures for each
locationNo client software required
But clients do have to transmit to be locatedby Jamey from HP