Goodput Maximization in Slotted ALOHA Networks Operating with Finite Blocklength Codes

被引：1

作者：

He, Qinwei ^{[1
]}

Gartenmeister, Katrin ^{[2
]}

Zhu, Yao ^{[2
]}

Hu, Yulin ^{[3
]}

Schmeink, Anke ^{[2
]}

机构：

[1] Global Energy Interconnect Res Inst Europe GmbH, Berlin, Germany

[2] Rhein Westfal TH Aachen, ISEK Res Area Lab, Aachen, Germany

[3] Wuhan Univ, Sch Elect Informat, Wuhan, Peoples R China

来源：

2020 IEEE GLOBECOM WORKSHOPS (GC WKSHPS) | 2020年

关键词：

collision; finite blocklength; Internet of Things; random access; slotted ALOHA; RANDOM-ACCESS; DELAY;

D O I：

10.1109/GCWkshps50303.2020.9367439

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, we consider an Internet of Things (IoT) system where slotted ALOHA is applied to handle the random access process of multiple IoT users. We leverage recent advances in the performance characterization in the finite blocklength (FBL) regime, and study the goodput and reliability performance of the network. In particular, we characterize the tradeoff between the transmission error due to FBL, the collision error influenced by FBL and user number, and the goodput. Following the characterization, an optimal system design is provided aiming at maximizing the goodput via choosing the optimal blocklength and determining the optimal number of users sharing the frequency resource of interests.

引用

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