Optimum transmission policies for energy harvesting two-way relay channels

Kaya Tutuncuoglu, Burak Varan, Aylin Yener

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

    42 Citations (Scopus)

    Abstract

    In this paper, two-way relay channels with energy harvesting nodes are considered. In particular, short-term sum-rate maximization problem is solved for half-duplex and full-duplex channels under any relaying strategy. Instantaneous rates achieved with energy constraints are evaluated and compared for different relaying strategies, namely amplify-and-forward, decode-and-forward, compress-and-forward and compute-and-forward. A generalized iterative directional water-filling algorithm is shown to solve the sum-rate maximization problem for an arbitrary jointly concave achievable sum-rate, which is constructed by concavifying the rate achievable by a relaying scheme. Observing that optimal relaying scheme depends on the power vectors, a hybrid strategy switching between relaying schemes is proposed, and numerical results demonstrating the advantage of hybrid strategies in an energy harvesting setting are presented.

    Original languageEnglish (US)
    Title of host publication2013 IEEE International Conference on Communications Workshops, ICC 2013
    Pages586-590
    Number of pages5
    DOIs
    StatePublished - 2013
    Event2013 IEEE International Conference on Communications Workshops, ICC 2013 - Budapest, Hungary
    Duration: Jun 9 2013Jun 13 2013

    Other

    Other2013 IEEE International Conference on Communications Workshops, ICC 2013
    CountryHungary
    CityBudapest
    Period6/9/136/13/13

    Fingerprint

    Energy harvesting
    Water

    All Science Journal Classification (ASJC) codes

    • Computer Networks and Communications

    Cite this

    Tutuncuoglu, K., Varan, B., & Yener, A. (2013). Optimum transmission policies for energy harvesting two-way relay channels. In 2013 IEEE International Conference on Communications Workshops, ICC 2013 (pp. 586-590). [6649301] https://doi.org/10.1109/ICCW.2013.6649301
    Tutuncuoglu, Kaya ; Varan, Burak ; Yener, Aylin. / Optimum transmission policies for energy harvesting two-way relay channels. 2013 IEEE International Conference on Communications Workshops, ICC 2013. 2013. pp. 586-590
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    Tutuncuoglu, K, Varan, B & Yener, A 2013, Optimum transmission policies for energy harvesting two-way relay channels. in 2013 IEEE International Conference on Communications Workshops, ICC 2013., 6649301, pp. 586-590, 2013 IEEE International Conference on Communications Workshops, ICC 2013, Budapest, Hungary, 6/9/13. https://doi.org/10.1109/ICCW.2013.6649301

    Optimum transmission policies for energy harvesting two-way relay channels. / Tutuncuoglu, Kaya; Varan, Burak; Yener, Aylin.

    2013 IEEE International Conference on Communications Workshops, ICC 2013. 2013. p. 586-590 6649301.

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

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    AB - In this paper, two-way relay channels with energy harvesting nodes are considered. In particular, short-term sum-rate maximization problem is solved for half-duplex and full-duplex channels under any relaying strategy. Instantaneous rates achieved with energy constraints are evaluated and compared for different relaying strategies, namely amplify-and-forward, decode-and-forward, compress-and-forward and compute-and-forward. A generalized iterative directional water-filling algorithm is shown to solve the sum-rate maximization problem for an arbitrary jointly concave achievable sum-rate, which is constructed by concavifying the rate achievable by a relaying scheme. Observing that optimal relaying scheme depends on the power vectors, a hybrid strategy switching between relaying schemes is proposed, and numerical results demonstrating the advantage of hybrid strategies in an energy harvesting setting are presented.

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    Tutuncuoglu K, Varan B, Yener A. Optimum transmission policies for energy harvesting two-way relay channels. In 2013 IEEE International Conference on Communications Workshops, ICC 2013. 2013. p. 586-590. 6649301 https://doi.org/10.1109/ICCW.2013.6649301