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    A Subcarrier and Power Allocation Algorithm for OFDMA Full-Duplex Systems

    Access Status
    Fulltext not available
    Authors
    Cirik, A.
    Rikkinen, K.
    Rong, Yue
    Date
    2015
    Type
    Conference Paper
    
    Metadata
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    Citation
    Cirik, A. and Rikkinen, K. and Rong, Y. 2015. A Subcarrier and Power Allocation Algorithm for OFDMA Full-Duplex Systems, in Marios Kountouris (ed), European Conference on Networks and Communications, Jun 29 2015. Paris, France: IEEE.
    Source Title
    Proceedings of the 24th European Conference on Networks and Communications
    Source Conference
    European Conference on Networks and Communications
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/18339
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, we focus on subcarrier and power allocation for an orthogonal frequency division multiple access (OFDMA) full-duplex (FD) system. A three-step algorithm is proposed to maximize the sum-rate of the system subject to individual rate constraints at the uplink and downlink users, and transmit power constraints at the base station (BS) and uplink users. The steps are: 1) Subcarrier allocation that considers user target rate requirements, 2) residual subcarrier allocation that further increases the sum rate, and 3) power allocation based on iterative water-filling (IWF). Simulation results reveal that the proposed FD scheduling improves the sum-rate over thetraditional half-duplex (HD) and round-robin (RR) scheduling significantly under the self-interference cancellation levels that has been recently achieved.

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