A Delay Efficient Multiclass Packet Scheduler for Heterogeneous M2M Uplink
Akshay Kumar, Ahmed Abdelhadi, Charles Clancy

TL;DR
This paper introduces a delay-efficient multiclass packet scheduler for heterogeneous M2M uplink traffic, prioritizing event-driven data while ensuring periodic updates meet deadlines, thereby improving system utility and reducing failures.
Contribution
A novel heuristic scheduler that maximizes system utility by balancing delay requirements and prioritizing critical traffic in heterogeneous M2M uplinks.
Findings
Outperforms existing schedulers in simulations.
Effectively handles heterogeneity in latency requirements.
Reduces PU failures and network congestion.
Abstract
The sensory traffic in Machine-to-Machine (M2M) communications has fairly heterogeneous service delay requirements. Therefore, we study the delay-performance of a heterogeneous M2M uplink from the sensors to a M2M application server (AS) via M2M aggregators (MA). We classify the heterogeneous M2M traffic aggregated at AS into multiple Periodic Update (PU) and Event Driven (ED) classes. The PU arrivals are periodic and need to be processed by a prespecified firm service deadline whereas the ED arrivals are random with firm or soft real-time or non real-time service requirements. We use step and sigmoidal functions to represent the service utility for PU and ED packets respectively. We propose a delay efficient multiclass packet scheduling heuristic that aims to maximize a proportionally fair system utility metric. Specifically, the proposed scheduler prioritizes service to ED data while…
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