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    Cross-Network Performance Analysis of Network Coding Aided Cooperative Outband D2D Communications

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    Date
    2017
    Author
    Datsika, Eftychia
    Antonopoulos, Angelos
    Zorba, Nizar
    Verikoukis, Christos
    Metadata
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    Abstract
    In long term evolution advanced (LTE-A) networks, the mobile devices can concurrently participate in cooperative outband device-to-device (D2D) data exchange by virtue of user- or network-related parameters (e.g., interest in the same content and cooperative transmissions, respectively). In these scenarios, two major problems arise: 1) the coexistence of multiple devices creates channel access issues, demanding effective medium access control (MAC) schemes, and 2) cellular network factors (i.e., scheduling policy and channel conditions) affect the D2D communication, as the circulating information in D2D links is mainly of cellular network origination, stressing the need for cross network approaches. In this context, the contribution of this paper is threefold. First, exploiting idle devices as relays and the benefits of network coding (NC) in bidirectional communications, we propose an adaptive cooperative NC-based MAC (ACNC-MAC) protocol for the D2D data exchange. Then, we devise a cross-network model that captures the impact of cellular network characteristics on D2D communication. Finally, we evaluate the performance of the ACNC-MAC in terms of throughput, energy efficiency, and battery consumption. Our results show that the LTE-A parameters and the relays' participation significantly affect the D2D throughput, while the D2D performance deteriorates with the increase of cell congestion.
    DOI/handle
    http://dx.doi.org/10.1109/TWC.2017.2675887
    http://hdl.handle.net/10576/16352
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    • Electrical Engineering [‎2840‎ items ]

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