Analysis of Threshold ALOHA in a Packet Erasure Channel

被引：0
|
作者：
Yavascan, Orhan T. [1 ]
Uysal, Elif [1 ]
机构：
[1] Orta Dogu Tekn Univ, Elekt Elekt Muhendisligi, Ankara, Turkey
来源：
2022 30TH SIGNAL PROCESSING AND COMMUNICATIONS APPLICATIONS CONFERENCE, SIU | 2022年
关键词：
Slotted ALOHA; threshold ALOHA; Age of Information; random access; information freshness; packet erasure channel; Internet of things; RANDOM-ACCESS;
D O I：
10.1109/SIU55565.2022.9864738
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
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.
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页数：4
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