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Resource allocation for HARQ in mobile ad hoc networks

Abstract : This thesis addresses the Resource Allocation (RA) problem in multiuser mobile ad hoc networks. We assume that there is a node in the network, called the resource manager (RM), whose task is to allocate the resource and thus the other nodes send him there channel state information (CSI). This network model induces a delay between the time the nodes send the RM their CSI and the time the RM sends them their RA, which renders impossible the use of instantaneous CSI. Thus, we assume that only statistical CSI is available to perform the RA. Moreover, we assume that an Hybrid ARQ (HARQ) mechanism is used on all the links. In this context, the objective of the thesis is twofold: i) Propose procedures to estimate the statistical CSI, and more precisely to estimate the Rician K factor with and without shadowing. ii) Propose and analyse new RA algorithms using statistical CSI and taking into account the use of HARQ and practical modulation and coding schemes. We aim to maximize energy efficiency related metrics. The resource to allocate are per-link transmit energy and bandwidth proportion.
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Submitted on : Monday, January 14, 2019 - 4:14:12 PM
Last modification on : Friday, July 31, 2020 - 10:44:09 AM


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  • HAL Id : tel-01980738, version 1


Xavier Leturc. Resource allocation for HARQ in mobile ad hoc networks. Networking and Internet Architecture [cs.NI]. Université Paris-Saclay, 2018. English. ⟨NNT : 2018SACLT008⟩. ⟨tel-01980738⟩



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