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A Randomized Probing Scheme for Increasing the Stability Region of Multicarrier Systems

Abstract : In this work we address the problem of channel probing in a multicarrier downlink wireless network where in order to collect CSI feedback from each user at a channel, a fraction of the available time for transmission is used. This means that the time left to transmit is getting smaller. We study the aspect of stability of such a system and we find a randomized algorithm which can guarantee an expansion of the stability region with respect to full probing and prior works. In addition, we investigate a special case of a probing scheme that does not require knowledge of the statistics of the channels and can still enlarge the stability region of the system. Simulations show the performance of the proposed scheme.
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https://hal-supelec.archives-ouvertes.fr/hal-00925994
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Submitted on : Wednesday, January 8, 2014 - 11:29:55 PM
Last modification on : Thursday, March 29, 2018 - 11:06:04 AM
Long-term archiving on: : Thursday, April 10, 2014 - 2:36:24 PM

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Apostolos Destounis, Mohamad Assaad, Mérouane Debbah, Bessem Sayadi. A Randomized Probing Scheme for Increasing the Stability Region of Multicarrier Systems. IEEE ISIT 2013, Jul 2013, Istanbul, Turkey. pp.1929 - 1933, ⟨10.1109/ISIT.2013.6620562⟩. ⟨hal-00925994⟩

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