Energy harvesting broadcast channel with inefficient energy storage

Kaya Tutuncuoglu, Aylin Yener

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2 Citations (Scopus)

    Abstract

    This paper considers the broadcast channel with an energy harvesting transmitter equipped with an inefficient energy storage device. For this setting, the optimal offline power policy that maximizes the average weighted sum rate of the system is derived. It is observed that this policy has a double threshold structure, with piecewise constant thresholds determined by the energy harvesting process. The convexity of the capacity region for the energy harvesting broadcast channel for a finite deadline is established, showing that the weighted maximum sum-rate traces the boundary of the region. Next, the optimal online policy is found using dynamic programming, and it is observed that the solution has a double threshold structure as well with state dependent thresholds. Lastly, a double threshold policy is proposed with fixed thresholds that performs near optimal with reduced complexity.

    Original languageEnglish (US)
    Title of host publicationConference Record of the 46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012
    Pages53-57
    Number of pages5
    DOIs
    StatePublished - Dec 1 2012
    Event46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012 - Pacific Grove, CA, United States
    Duration: Nov 4 2012Nov 7 2012

    Publication series

    NameConference Record - Asilomar Conference on Signals, Systems and Computers
    ISSN (Print)1058-6393

    Other

    Other46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012
    CountryUnited States
    CityPacific Grove, CA
    Period11/4/1211/7/12

    Fingerprint

    Energy harvesting
    Energy storage
    Dynamic programming
    Transmitters

    All Science Journal Classification (ASJC) codes

    • Signal Processing
    • Computer Networks and Communications

    Cite this

    Tutuncuoglu, K., & Yener, A. (2012). Energy harvesting broadcast channel with inefficient energy storage. In Conference Record of the 46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012 (pp. 53-57). [6488957] (Conference Record - Asilomar Conference on Signals, Systems and Computers). https://doi.org/10.1109/ACSSC.2012.6488957
    Tutuncuoglu, Kaya ; Yener, Aylin. / Energy harvesting broadcast channel with inefficient energy storage. Conference Record of the 46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012. 2012. pp. 53-57 (Conference Record - Asilomar Conference on Signals, Systems and Computers).
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    Tutuncuoglu, K & Yener, A 2012, Energy harvesting broadcast channel with inefficient energy storage. in Conference Record of the 46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012., 6488957, Conference Record - Asilomar Conference on Signals, Systems and Computers, pp. 53-57, 46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012, Pacific Grove, CA, United States, 11/4/12. https://doi.org/10.1109/ACSSC.2012.6488957

    Energy harvesting broadcast channel with inefficient energy storage. / Tutuncuoglu, Kaya; Yener, Aylin.

    Conference Record of the 46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012. 2012. p. 53-57 6488957 (Conference Record - Asilomar Conference on Signals, Systems and Computers).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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    N2 - This paper considers the broadcast channel with an energy harvesting transmitter equipped with an inefficient energy storage device. For this setting, the optimal offline power policy that maximizes the average weighted sum rate of the system is derived. It is observed that this policy has a double threshold structure, with piecewise constant thresholds determined by the energy harvesting process. The convexity of the capacity region for the energy harvesting broadcast channel for a finite deadline is established, showing that the weighted maximum sum-rate traces the boundary of the region. Next, the optimal online policy is found using dynamic programming, and it is observed that the solution has a double threshold structure as well with state dependent thresholds. Lastly, a double threshold policy is proposed with fixed thresholds that performs near optimal with reduced complexity.

    AB - This paper considers the broadcast channel with an energy harvesting transmitter equipped with an inefficient energy storage device. For this setting, the optimal offline power policy that maximizes the average weighted sum rate of the system is derived. It is observed that this policy has a double threshold structure, with piecewise constant thresholds determined by the energy harvesting process. The convexity of the capacity region for the energy harvesting broadcast channel for a finite deadline is established, showing that the weighted maximum sum-rate traces the boundary of the region. Next, the optimal online policy is found using dynamic programming, and it is observed that the solution has a double threshold structure as well with state dependent thresholds. Lastly, a double threshold policy is proposed with fixed thresholds that performs near optimal with reduced complexity.

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    Tutuncuoglu K, Yener A. Energy harvesting broadcast channel with inefficient energy storage. In Conference Record of the 46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012. 2012. p. 53-57. 6488957. (Conference Record - Asilomar Conference on Signals, Systems and Computers). https://doi.org/10.1109/ACSSC.2012.6488957