Abstract
IterativeWater-filling Algorithm (IWFA) is a well-known distributed multi-carrier power control method for multi-user communication. It was empirically observed (and conjectured) to be convergent under all channel conditions. In this paper, we present an example showing that IWFA can oscillate, therefore disproving the conjecture.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 147-150 |
| Number of pages | 4 |
| Journal | Numerical Algebra, Control and Optimization |
| Volume | 1 |
| Issue number | 1 |
| DOIs | |
| State | Published - Feb 2011 |
Keywords
- Iterative water-filling algorithm
- Multi-user communication system
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