Asymptotically Optimal Power Allocation for Energy Harvesting Communication Networks

Beitrag in einer Fachzeitschrift


Details zur Publikation

Autorinnen und Autoren: Zlatanov N, Schober R, Hadzi-Velkov Z
Zeitschrift: IEEE Transactions on Vehicular Technology
Jahr der Veröffentlichung: 2017
Band: 66
Heftnummer: 8
Seitenbereich: 7286 - 7301
ISSN: 0018-9545
Sprache: Englisch


Abstract

 For a general energy harvesting (EH) communication network, i.e., a network where the nodes generate their transmit power through EH, we derive the asymptotically optimal online power allocation solution that optimizes a general utility function when the number of transmit time slots, N, and the battery capacities of the EH nodes, B
max
, satisfy N → ∞ and B
max
→ ∞. The considered family of utility functions is general enough to include the most important performance measures in communication theory, such as the average data rate, outage probability, average bit-error probability, and average signal-to-noise ratio. The proposed power allocation solution is very simple. Namely, the asymptotically optimal power allocation for the EH network is identical to the optimal power allocation for an equivalent nonEH network whose nodes have infinite energy available but their average transmit power is constrained to be equal to the average harvested power and/or the maximum average transmit power of the corresponding nodes in the EH network. Moreover, the maximum average performance of a general EH network converges to the maximum average performance of the corresponding equivalent non-EH network, when N → ∞ and B
max
→ ∞. Although the proposed solution is asymptotic in nature, it is applicable to EH systems transmitting in a large but finite number of time slots and having a battery capacity much larger than the average harvested power and/or the maximuma average transmit power.


FAU-Autorinnen und Autoren / FAU-Herausgeberinnen und Herausgeber

Schober, Robert Prof. Dr.-Ing.
Lehrstuhl für Digitale Übertragung
Zlatanov, Nikola
Lehrstuhl für Digitale Übertragung


Einrichtungen weiterer Autorinnen und Autoren

Ss. Cyril and Methodius University / Универзитет „Св. Кирил и Методиј“ во Скопје


Zitierweisen

APA:
Zlatanov, N., Schober, R., & Hadzi-Velkov, Z. (2017). Asymptotically Optimal Power Allocation for Energy Harvesting Communication Networks. IEEE Transactions on Vehicular Technology, 66(8), 7286 - 7301. https://dx.doi.org/10.1109/TVT.2017.2662641

MLA:
Zlatanov, Nikola, Robert Schober, and Zoran Hadzi-Velkov. "Asymptotically Optimal Power Allocation for Energy Harvesting Communication Networks." IEEE Transactions on Vehicular Technology 66.8 (2017): 7286 - 7301.

BibTeX: 

Zuletzt aktualisiert 2019-05-09 um 19:10