Dynamic downlink spectrum access for D2D-enabled heterogeneous networks

Radaydeh, Redha M., Al-Qahtani, Fawaz S., Celik, Abdulkadir and Alouini, Mohamed Slim (2017) Dynamic downlink spectrum access for D2D-enabled heterogeneous networks. In IEEE GLOBECOM. vol. 2018-January, IEEE. pp. 1-7 . (doi:10.1109/GLOCOM.2017.8254067).

Abstract

This paper proposes new approaches for underlay device- to-device (D2D) communication in spectrum-shared het- erogeneous cellular networks. It considers devices that share downlink resources and have an enabled D2D feature to improve coverage. The mode of operation classifies devices according to their experienced base station (BS) coverage, potential to be served by BS, ability of BS to meet their quality of service (QoS), and their downlink resources occupancy. The initiation of D2D cooperation is conditioned on proposed provisional access by an active device, wherein its serving BS attempts to meet its QoS using as low number of spectrum channels as possible, while treating remaining channels for feasible D2D cooperation. Detailed formulations for the mode of operation and a proposed D2D path allocation scheme are presented under perfect and imperfect operation scenarios. The developed results are generally applicable for any performance metric and network model.

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Contributors

Author: Abdulkadir Celik

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