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Low-Complexity Scheduling for Delay Minimization in D2D Communications using Network Coding

Al-Abiad, Mohammed S. and Hossain, Md. Jahangir and Douik, Ahmed (2021) Low-Complexity Scheduling for Delay Minimization in D2D Communications using Network Coding. IEEE Communications Letters . ISSN 1089-7798. doi:10.1109/lcomm.2021.3069941. (In Press) https://resolver.caltech.edu/CaltechAUTHORS:20210412-073614577

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Abstract

In this letter, we consider the decoding delay minimizing problem for delivering a frame of packets to a set of user-devices (UDs) using instantly decodable network coding (IDNC). In the considered device-to-device (D2D) network, UDs have limited coverage zones that represent clusters and can speed up the delivery of the requested packets of other UDs by sending IDNC packets. The decoding delay minimization problem is a joint optimization problem of selecting the transmitting UDs and their coding decisions. In this work, we propose a low complexity, yet optimal, solution to the decoding delay minimization problem using graph pruning method. Our proposed innovative method introduces a sequential pruning algorithm that judiciously generates clusters that are certainly contributing to the network while simultaneously designing a new multi-layer IDNC graph. We also prove that the optimal solution to the problem can be achieved by the generated clusters by our proposed algorithm. Numerical results reveal that the proposed solution significantly reduces the computational complexity compared to the existing method with similar decoding delay performance.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/lcomm.2021.3069941DOIArticle
ORCID:
AuthorORCID
Al-Abiad, Mohammed S.0000-0001-6633-0799
Hossain, Md. Jahangir0000-0002-3377-7831
Douik, Ahmed0000-0001-7791-9443
Additional Information:© 2021 IEEE.
Funders:
Funding AgencyGrant Number
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Subject Keywords:Device-to-device networks, clustering, IDNC graph, maximum weight clique
DOI:10.1109/lcomm.2021.3069941
Record Number:CaltechAUTHORS:20210412-073614577
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210412-073614577
Official Citation:M. S. Al-Abiad, M. J. Hossain and A. Douik, "Low-Complexity Scheduling for Delay Minimization in D2D Communications using Network Coding," in IEEE Communications Letters, doi: 10.1109/LCOMM.2021.3069941
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:108686
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:13 Apr 2021 22:56
Last Modified:19 Apr 2021 18:21

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