Minimizing the Wireless Cost of Tracking Mobile Users: An Adaptive Threshold Scheme

Introduction

Partial Registration

Drawbacks of those strategies

The proposed strategy

Implementation

Model and Notation

The Tracking Strategy

The Registration strategy

Network algorithm- cell level

The Registration Threshold Modification Algorithm

The Paging Algorithm

Mobility Graph

Non-reporting (NR) vertex

Feasible Roaming Path

Personal Location Area (PLA)

Constructing the PLA (1/2)

Constructing the PLA (2/2)

The Complexity of the PLA Construction Algorithm (1/4)

The Complexity of the PLA Construction Algorithm (2/4)

The Complexity of the PLA Construction Algorithm (3/4)

The Complexity of the PLA Construction Algorithm (4/4)

Performance Analysis (1/2)

Performance Analysis (2/2)

Worst Case AnalysisA Specific Example (1/3)

Worst Case AnalysisA Specific Example (2/3)

Worst Case AnalysisA Specific Example (3/3)

The ATS Strategy (1/3)

The ATS Strategy (2/3)

The ATS Strategy (3/3)

The (Static) Timer-Based Method

Comparison (1/2)

Comparison (2/2)

Summary and Discussion

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