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A necessary and sufficient condition for optimal transmission power in wireless packet networks with ARQ capability
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- Authors
- Issue Date
- 2006-06
- Publisher
- IEEE
- Citation
- in Proc. IEEE ICC 2006
- Abstract
- In this paper, we investigate the energy minimization problem for wireless packet networks with automatic repeat request (ARQ) capability. We formulate the problem under constrained packet delay and reliability, and derive a necessary and sufficient condition for optimal transmission power that achieves optimality regardless of the delay and reliability constraints. Numerical examples reveal that a significant amount of energy is saved by adopting the optimal transmission power and the performance gain is strongly correlated with the decreasing property of the frame error rate.
- Language
- English
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