Optimal power and retransmission control policies over fading channels with packet drop penalty costs
Farrokh A, Krishnamurthy V, Schober R (2008)
Publication Type: Conference contribution
Publication year: 2008
Journal
Pages Range: 4021-4027
Conference Proceedings Title: IEEE International Conference on Communications
Event location: Beijing
ISBN: 9781424420742
DOI: 10.1109/ICC.2008.755
Abstract
We present a power and retransmission control policy that achieves an optimal tradeoff between transmission power, delay, and packet drop penalty costs over a radio fading channel. We formulate the underlying power and retransmission control as a Markov Decision Problem (MDP). Under certain sufficient conditions, we show that the optimal transmission power monotonically decreases in the channel quality and the number of retransmission slots left. These structural results lead to power allocation policies that are computationally inexpensive for on-line implementation and are scalable in terms of transmission parameters. Numerical examples confirm the monotonicity results and demonstrate the improvement in the transmission cost enabled by the optimal policy. ©2008 IEEE.
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APA:
Farrokh, A., Krishnamurthy, V., & Schober, R. (2008). Optimal power and retransmission control policies over fading channels with packet drop penalty costs. In IEEE International Conference on Communications (pp. 4021-4027). Beijing, CN.
MLA:
Farrokh, Arsalan, Vikram Krishnamurthy, and Robert Schober. "Optimal power and retransmission control policies over fading channels with packet drop penalty costs." Proceedings of the IEEE International Conference on Communications, ICC 2008, Beijing 2008. 4021-4027.
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