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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2501.19109 |
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| _version_ | 1866909471187402752 |
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| author | Karnam, Anudeep John, Jobish Joshi, Kishor C. Exarchakos, George de Groot, Sonia Heemstra Niemegeers, Ignas |
| author_facet | Karnam, Anudeep John, Jobish Joshi, Kishor C. Exarchakos, George de Groot, Sonia Heemstra Niemegeers, Ignas |
| contents | Accurate reliability modeling for ultra-reliable low latency communication (URLLC) and hyper-reliable low latency communication (HRLLC) networks is challenging due to the complex interactions between network layers required to meet stringent requirements. In this paper, we propose such a model. We consider the acknowledged mode of the radio link control (RLC) layer, utilizing separate buffers for transmissions and retransmissions, along with the behavior of physical channels. Our approach leverages the effective capacity (EC) framework, which quantifies the maximum constant arrival rate a time-varying wireless channel can support while meeting statistical quality of service (QoS) constraints. We derive a reliability model that incorporates delay violations, various latency components, and multiple transmission attempts. Our method identifies optimal operating conditions that satisfy URLLC/HRLLC constraints while maintaining near-optimal EC, ensuring the system can handle peak traffic with a guaranteed QoS. Our model reveals critical trade-offs between EC and reliability across various use cases, providing guidance for URLLC/HRLLC network design for service providers and system designers. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_19109 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Reliability Modeling for Beyond-5G Mission Critical Networks Using Effective Capacity Karnam, Anudeep John, Jobish Joshi, Kishor C. Exarchakos, George de Groot, Sonia Heemstra Niemegeers, Ignas Networking and Internet Architecture Signal Processing Accurate reliability modeling for ultra-reliable low latency communication (URLLC) and hyper-reliable low latency communication (HRLLC) networks is challenging due to the complex interactions between network layers required to meet stringent requirements. In this paper, we propose such a model. We consider the acknowledged mode of the radio link control (RLC) layer, utilizing separate buffers for transmissions and retransmissions, along with the behavior of physical channels. Our approach leverages the effective capacity (EC) framework, which quantifies the maximum constant arrival rate a time-varying wireless channel can support while meeting statistical quality of service (QoS) constraints. We derive a reliability model that incorporates delay violations, various latency components, and multiple transmission attempts. Our method identifies optimal operating conditions that satisfy URLLC/HRLLC constraints while maintaining near-optimal EC, ensuring the system can handle peak traffic with a guaranteed QoS. Our model reveals critical trade-offs between EC and reliability across various use cases, providing guidance for URLLC/HRLLC network design for service providers and system designers. |
| title | Reliability Modeling for Beyond-5G Mission Critical Networks Using Effective Capacity |
| topic | Networking and Internet Architecture Signal Processing |
| url | https://arxiv.org/abs/2501.19109 |