Age-Efficient Random Access With Load Adaptation

doi:10.1109/TMC.2024.3453042

Age-Efficient Random Access With Load Adaptation

2024-12-01

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DOI：10.1109/TMC.2024.3453042

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The lightweight and energy-efficient Frame Slotted Aloha (FSA) protocol has become a promising MAC protocol in large-scale IoT systems. Existing work on minimizing the age of information (AoI) of FSA protocol cannot significantly benefit from frequent packet generations when the packet generation rate lambda exceeds its throughput e(-1) . To fill this gap, this paper proposes two age threshold-based algorithms to reduce the AoI of FSA systems for lambda>e(-1) , namely TF and TF+. Their core ideas are to only allow the nodes with age gain over the configured thresholds to send their packets so that the FSA systems are slimmed to a stable one with lambda

Keywords:

Throughput

Protocols

Estimation

Internet of Things

Channel estimation

Delays

Receivers

Age of information (AoI)

frame slotted aloha

IoT

Age-Efficient Random Access With Load Adaptation

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