### Abstract

Motivated by statistical Waterfilling, we derive statistical Mercury/Waterfilling (M/WF) for both fixed average power and fixed average rate as the infinite time limit of the spatio-temporal M/WF solution. The M → ∞ limit of the conditional mean estimate (CME) receiver for unit-energy M-QAM constellations is derived, which may be used as a low complexity approximate CME estimate for dense QAM constellations. The asymptotic CME result is used to analytically characterize an upper bound on the mutual information properties of QAM. We develop a tree-search algorithm to efficiently optimize coded bit allocation in MAVF. Two analytical tests are derived to eliminate sub-trees of the graph.

Original language | English |
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Title of host publication | Proceedings - 7th Australian Communications Theory Workshop, 2006 |

Place of Publication | Piscataway, NJ |

Publisher | Institute of Electrical and Electronics Engineers (IEEE) |

Pages | 159-164 |

Number of pages | 6 |

Volume | 2006 |

ISBN (Print) | 1424402131, 9781424402137 |

Publication status | Published - 2006 |

Externally published | Yes |

Event | 7th Australian Communications Theory Workshop, 2006 - Perth, Australia Duration: 1 Feb 2006 → 3 Feb 2006 |

### Other

Other | 7th Australian Communications Theory Workshop, 2006 |
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Country | Australia |

City | Perth |

Period | 1/02/06 → 3/02/06 |

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## Cite this

*Proceedings - 7th Australian Communications Theory Workshop, 2006*(Vol. 2006, pp. 159-164). [1625274] Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE).