| Texto completo | |
| Autor(es): |
Dester, Plinio S.
[1]
;
Nardelli, Pedro H. J.
[2]
;
dos Santos Filho, Francisco Helder C.
[3]
;
Cardieri, Paulo
[4]
;
Popovski, Petar
[5]
Número total de Autores: 5
|
| Afiliação do(s) autor(es): | [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
Número total de Afiliações: 5
|
| Tipo de documento: | Artigo Científico |
| Fonte: | IEEE WIRELESS COMMUNICATIONS LETTERS; v. 10, n. 10, p. 2328-2332, OCT 2021. |
| Citações Web of Science: | 0 |
| Resumo | |
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. (AU) | |
| Processo FAPESP: | 17/21347-0 - Interferência e atraso em redes de comunicação com tráfego espaço-temporal |
| Beneficiário: | Plínio Santini Dester |
| Modalidade de apoio: | Bolsas no Brasil - Doutorado Direto |