Abstract
Device-to-device (D2D) communications facilitate a number of services that are based on the exchanged information and data that are within the proximity of mobile devices. To enable robust and effective D2D communications, the D2D control signal should primarily be successfully received, even when it has been subject to collision and interference that are caused by a large number of neighboring devices. Since the broadcast type of communication is generally considered for D2D services, the Tx-side operation should be designed for higher reception performances. By using channel-quality metrics such as the signal-to-interference-plus-noise ratio as the basis for revealing the relationship between the resource selection and the decoding probability, a novel resource-selection scheme to manage the interference and the in-band emission in terms of the transmission of scheduling assignment (SA) messages was developed in this paper. Through system-level simulations, and in contrast with the conventional SA-selection method, the proposed scheme increases the decoding performance.
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