Position Location in Mobile Environments

1
Position Location in Mobile Environments

• Prashant Krishnamurthy
• Telecommunications Program
• University of Pittsburgh
• prashant_at_tele.pitt.edu

2
Position Location

• Where a mobile node is located
• Co-ordinates, information, response, etc.
• Types of positioning
• Self-positioning or remote positioning
• Indirect
• Technologies
• RSS, TOA, TDOA, AOA, Fingerprinting
• Applications
• Public safety, concierge services, emergencies,
  advertisement, performance and network operation

3
Challenges in Position Location

• Performance
• Accuracy
• Delay
• Capacity
• Coverage

• Cost and
• Complexity
• Bandwidth
• Infrastructure
• Power
• Fault-tolerance
• Technology

Position Location

• Application
• Requirements
• Granularity
• Technology

• Security
• Privacy
• Technology
• Fraud Abuse
• Mobility

4
Discussion

• Need for understanding the tradeoffs of issues
  related to positioning systems on pervasive
  computing
• Current and emerging technologies and regulations
• E-911 Accuracy, technology, timeline, capacity
• Ultrawideband (UWB) Power, interference,
  coverage
• Granularity