The DOI matches its Crossref record; 17 of the 17 references it cites were found in a registry or an index.
Optimal Status Update for Age of Information Minimization With an Energy Harvesting Source
Open accessAbstract
In this paper, we consider a scenario where an energy harvesting sensor continuously monitors a system and sends time-stamped status updates to a destination. The destination keeps track of the system status through the received updates. We use the metric Age of Information (AoI), the time that has elapsed since the last received update was generated, to measure the “freshness” of the status information available at the destination. Our objective is to design optimal online status update policies to minimize the long-term average AoI, subject to the energy causality constraint at the sensor. We consider three scenarios, i.e., the battery size is infinite, finite, and one unit only, respectively. For the infinite battery scenario, we adopt a besteffort uniform status update policy and show that it minimizes the long-term average AoI. For the finite battery scenario, we adopt an energy-aware adaptive status update policy, and prove that it is asymptotically optimal when the battery size goes to infinity. For the last scenario where the battery size is one, we first show that within a broadly defined class of online policies, the optimal policy should have a renewal structure. We then focus on a renewal interval, and prove that the optimal policy should have a threshold structure, i.e., if the AoI in the system is below a threshold when an energy arrival enters an empty battery, the sensor should store the energy first and then update when the AoI reaches the threshold; otherwise, it updates the status immediately. Simulation results corroborate the theoretical bounds.
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Cites
Boyd, S., & Vandenberghe, L. (2004) · doi:10.1017/cbo9780511804441 · Cited by 56,601
Wireless sensor networks for habitat monitoring
Mainwaring, A., Culler, D., Polastre, J., Szewczyk, R., & Anderson, J. (2002) · Proceedings of the 1st ACM international workshop on Wireless sensor networks and applications · doi:10.1145/570738.570751 · Cited by 4,166
Real-time status: How often should one update?
Kaul, S., Yates, R., & Gruteser, M. (2012) · 2012 Proceedings IEEE INFOCOM · doi:10.1109/infcom.2012.6195689 · Cited by 2,360
Transmission with Energy Harvesting Nodes in Fading Wireless Channels: Optimal Policies
Ozel, O., Tutuncuoglu, K., Yang, J., Ulukus, S., & Yener, A. (2011) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2011.110921 · Cited by 1,086
Self-citationPapadimitratos, P., La Fortelle, A., Evenssen, K., Brignolo, R., & Cosenza, S. (2009) · IEEE Communications Magazine · doi:10.1109/mcom.2009.5307471 · Cited by 870
Optimal Packet Scheduling in an Energy Harvesting Communication System
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Self-citationDesign considerations for solar energy harvesting wireless embedded systems
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Optimum Transmission Policies for Battery Limited Energy Harvesting Nodes
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Optimal Energy Allocation for Wireless Communications With Energy Harvesting Constraints
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Optimizing age-of-information in a multi-class queueing system
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Cited by
Age of Information: An Introduction and Survey
Yates, R. D., Sun, Y., Brown, D. R., Kaul, S. K., Modiano, E., & Ulukus, S. (2021) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2021.3065072 · Cited by 1,160
AoI-Minimal Trajectory Planning and Data Collection in UAV-Assisted Wireless Powered IoT Networks
Hu, H., Xiong, K., Qu, G., Ni, Q., Fan, P., & Letaief, K. B. (2021) · IEEE Internet of Things Journal · doi:10.1109/jiot.2020.3012835 · Cited by 355
Sensing, Computing, and Communications for Energy Harvesting IoTs: A Survey
Ma, D., Lan, G., Hassan, M., Hu, W., & Das, S. K. (2020) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2019.2962526 · Cited by 336
Zeb, S., Mahmood, A., Hassan, S. A., Piran, M. J., Gidlund, M., & Guizani, M. (2022) · Journal of Network and Computer Applications · doi:10.1016/j.jnca.2021.103309 · Cited by 132
Metadata
- Authors
- Wu, X., Yang, J., & Wu, J.
- Venue
- IEEE Transactions on Green Communications and Networking
- Published
- 2018-03
- Volume
- 2
- Issue
- 1
- Pages
- 193-204
- ISSN
- 2473-2400 (ISSN-L)
- OpenAlex
- W2649848418
- Cited by
- 313
- References
- 17
- FWCI
- 22.75
- Type
- journal article
- Language
- en
- Open access
- green
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