Abstract
The energy consumption in transmitting an information bit, i.e., energy-per-bit, has been known to decrease monotonically as the transmission time increases [1]. However, when considering the power amplifier (PA) characteristics, we learn that the energy-per-bit starts to increase as the transmission time becomes long over a certain threshold. This is caused by the fact that, in a wireless device, it is not the transmission power, which determines the energy consumed during transmissions, but the input power to the PA whose output power is used as the transmission power. Based on our new trade-off model between the energy-per-bit and transmission time, we revisit known energy-efficient scheduling algorithms. Finally, we evaluate the impact of the new trade-off model and the performance of algorithms via simulations.
This research is in part supported by University IT Research Center (ITRC) project, and by the SNU-Samsung 4G collaboration project.
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© 2007 IFIP International Federation for Information Processing
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Han, K., Choi, Y., Choi, S., Kwon, Y. (2007). Power Amplifier Characteristic-Aware Energy-Efficient Transmission Strategy. In: Akyildiz, I.F., Sivakumar, R., Ekici, E., Oliveira, J.C.d., McNair, J. (eds) NETWORKING 2007. Ad Hoc and Sensor Networks, Wireless Networks, Next Generation Internet. NETWORKING 2007. Lecture Notes in Computer Science, vol 4479. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-72606-7_4
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DOI: https://doi.org/10.1007/978-3-540-72606-7_4
Publisher Name: Springer, Berlin, Heidelberg
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