Delay and Peak-Age-of-Information of ALOHA Networks With Limited Retransmissions

被引：9

作者：

Dester, Plinio S. ^{[1
]}

Nardelli, Pedro H. J. ^{[2
]}

dos Santos Filho, Francisco Helder C. ^{[3
]}

Cardieri, Paulo ^{[4
]}

Popovski, Petar ^{[5
]}

机构：

[1] Univ Estadual Campinas, Dept FEEC DECOM, BR-13083852 Campinas, Brazil

[2] Lappeenranta Lahti Univ Technol, Dept Elect Engn, Lappeenranta 53850, Finland

[3] Univ Fed Ceara, BR-63902580 Quixada, Brazil

[4] Univ Estadual Campinas, Wireless Technol Lab, BR-13083852 Campinas, Brazil

[5] Aalborg Univ, Dept Elect Syst, DK-9220 Aalborg, Denmark

来源：

IEEE WIRELESS COMMUNICATIONS LETTERS | 2021年 / 10卷 / 10期

基金：

芬兰科学院; 巴西圣保罗研究基金会;

关键词：

Measurement; Delays; Throughput; Markov processes; Wireless communication; Random variables; Licenses; Wireless; retransmission; delay; AoI;

D O I：

10.1109/LWC.2021.3100934

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This letter analyzes the impact of packet retransmissions on the performance of wireless random access protocols. In particular, we focus on the effects of two controllable parameters, namely the rate at which retransmissions occur and the number of allowed retransmissions. In a scenario where packets are generated according to a Poisson process and new packets substitute old ones upon arrival, we determine the conditions in which a given throughput or packet success probability constraint is achievable. We also prove, for a general packet success probability function of the traffic, that selecting the smallest feasible value of the number of allowed retransmissions along with an appropriate retransmission rate is optimal in terms of mean delay to transmit packets and mean Peak-Age-of-Information. We illustrate this result with numerical examples.

引用

页码：2328 / 2332

页数：5

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