Satisfying strict deadlines for cellular internet of things through hybrid multiple access

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buir.contributor.authorGamgam, Onur Berkay
buir.contributor.authorKarasan, Ezhan
buir.contributor.orcidGamgam, Onur Berkay|0000-0003-4660-9252
buir.contributor.orcidKarasan, Ezhan|0000-0002-7072-6611
dc.citation.epage27en_US
dc.citation.issueNumber8
dc.citation.spage1
dc.citation.volumeNumber34
dc.contributor.authorGamgam, Onur Berkay
dc.contributor.authorKarasan, Ezhan
dc.date.accessioned2024-03-13T13:01:38Z
dc.date.available2024-03-13T13:01:38Z
dc.date.issued2023-08
dc.departmentDepartment of Electrical and Electronics Engineering
dc.description.abstractLatency-constrained aspects of cellular Internet of Things (IoT) applications rely on Ultra-Reliable and Low Latency Communications (URLLC), which highlight research on satisfying strict deadlines. In this study, we address the problem of latency-constrained communications with strict deadlines under average power constraint using Hybrid Multiple Access (MA), which consists of both Orthogonal MA (OMA) and power domain Non-Orthogonal MA (NOMA) as transmission scheme options. We aim to maximize the timely throughput, which represents the average number of successfully transmitted packets before deadline expiration, where expired packets are dropped from the buffer. We use Lyapunov stochastic optimization methods to develop a dynamic power assignment algorithm for minimizing the packet drop rate while satisfying time average power constraints. Moreover, we propose a flexible packet dropping mechanism called Early Packet Dropping (EPD) to detect likely to become expired packets and drop them immediately. Numerical results show that Hybrid MA improves the timely throughput compared to conventional OMA by up to (Figure presented.) and on average by more than (Figure presented.). With EPD, these timely throughput gains improve to (Figure presented.) and (Figure presented.), respectively.
dc.description.provenanceMade available in DSpace on 2024-03-13T13:01:38Z (GMT). No. of bitstreams: 1 Satisfying_strict_deadlines_for_cellular_internet_of_things_through_hybrid_multiple_access.pdf: 2740185 bytes, checksum: f928904ffcec3cab249a4198d6129817 (MD5) Previous issue date: 2023-08en
dc.identifier.doi10.1002/ett.4814
dc.identifier.eissn2161-3915
dc.identifier.issn2161-3915
dc.identifier.urihttps://hdl.handle.net/11693/114696
dc.language.isoen
dc.publisherJohn Wiley and Sons Inc
dc.relation.isversionofhttps://dx.doi.org/10.1002/ett.4814
dc.source.titleTransactions on Emerging Telecommunications Technologies
dc.titleSatisfying strict deadlines for cellular internet of things through hybrid multiple access
dc.typeArticle

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