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Optimal Pricing for Interference Control in Time-reversal Device-to-Device Uplinks

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Citation Author(s):
Qinyi Xu
Submitted by:
Yan Chen
Last updated:
23 February 2016 - 1:44pm
Document Type:
Presentation Slides
Document Year:
Presenters Name:
Yan Chen



The Device-to-Device (D2D) communication is a promising technique to empower local wireless communications. However, without proper management it may generate interference to the existing network and degrade the overall performance. By treating each multipath as a virtual antenna, time-reversal (TR) signal transmission in a rich-scattering environment produces a spatial-temporal resonance which efficiently suppresses the inter-user interference (IUI) while boosting the signal power at the target receiver. In this work, we design a TR-based D2D hybrid network, where both primary users (PUs) and D2D pairs share the same time-frequency resources and use TR focusing effect to combat interference.With the purpose of enhancing D2D performance while providing a performance protection to PUs, an efficient optimal pricing algorithm is proposed to dynamically control interference through TR focusing strength control.

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