Delay Performance of Multi-Antenna Multicasting in Wireless Networks
Marios Kountouris, Apostolos Avranas

TL;DR
This paper analyzes the delay performance of multi-antenna multicasting in wireless networks, providing probabilistic bounds and scaling laws to aid system design for low-latency IoT applications.
Contribution
It offers a novel statistical characterization of the service process and delay bounds for multi-antenna multicast systems, including large-scale asymptotic analysis.
Findings
Derived probabilistic delay bounds using stochastic network calculus.
Characterized service process for large numbers of users with extreme value theory.
Provided scaling laws for system dimensioning to meet delay requirements.
Abstract
Low-latency communication is currently attracting significant attention due to the emergence of mission-critical Internet of Things (IoT) applications and content-centric services. A deep understanding of the delay performance is essential for efficient wireless system design and end-to-end latency guarantees. In this paper, we investigate the network-layer performance of physical layer multi-antenna multicasting, i.e., when the same data is simultaneously conveyed to multiple users. We provide a statistical characterization of the service process in terms of its Mellin transform and derive probabilistic delay bounds using tools from stochastic network calculus. Furthermore, using extreme value theory, we characterize the service process for very large number of users and derive scaling laws as the number of antennas and/or users is taken to infinity. Our results can be used for system…
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