Analysis of Threshold ALOHA in a Packet Erasure Channel Paket Silme Kanalinda Yaş Eşikli ALOHA Analizi

Yavascan O. T., UYSAL E.

30th Signal Processing and Communications Applications Conference, SIU 2022, Safranbolu, Turkey, 15 - 18 May 2022 identifier

  • Publication Type: Conference Paper / Full Text
  • Doi Number: 10.1109/siu55565.2022.9864738
  • City: Safranbolu
  • Country: Turkey
  • Keywords: Age of In-formation, information freshness, Internet of things, packet erasure channel, random access, Slotted ALOHA, threshold ALOHA
  • Middle East Technical University Affiliated: Yes


© 2022 IEEE.In this paper, the information freshness of an age aware slotted ALOHA variant called threshold ALOHA is studied in a packet erasure channel model. In threshold ALOHA, end users wait for some time after a successful transmission and then attempts to transmit with a fixed probability at each time slot, until a successful transmission occurs. We derive ideal parameters for threshold ALOHA with a packet erasure channel (PEC) between the users and the access point. The optimal average AoI scaled by the number of users and the packet delivery ratio is derived to be at worst 1.4174, whilst losing very little in terms of channel throughput.