Routing Heterogeneous Traffic in Delay-Tolerant Satellite Networks

被引：6

作者：

Madoery, Pablo G. ^{[1
]}

Kurt, Gunes Karabulut ^{[1
,2
]}

Yanikomeroglu, Halim ^{[1
]}

Hu, Peng ^{[3
]}

Ahmed, Khaled ^{[4
]}

Martel, Stephane ^{[4
]}

Lamontagne, Guillaume ^{[4
]}

机构：

[1] Carleton Univ, Dept Syst & Comp Engn, Nonterr Networks Lab, Ottawa, ON K1V 6L6, Canada

[2] Polytech Montreal, Polygrames Res Ctr, Dept Elect Engn, Montreal, PQ H3C 3A7, Canada

[3] Natl Res Council Canada, Digital Technol Res Ctr, Ottawa, ON K1A 0R6, Canada

[4] MDA, Satell Syst, Brampton, ON L6S 4J3, Canada

来源：

IEEE JOURNAL OF RADIO FREQUENCY IDENTIFICATION | 2023年 / 7卷

关键词：

Routing; delay-tolerant networks; satellite constellations; QoS; contact graph routing; congestion avoidance; DESIGN;

D O I：

10.1109/JRFID.2023.3269887

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：

Delay-tolerant networking (DTN) offers a novel architecture that can be used to enhance store-carry-forward routing in satellite networks. Since these networks can take advantage of scheduled contact plans, distributed algorithms like the Contact Graph Routing (CGR) can be utilized to optimize data delivery performance. However, despite the numerous improvements made to CGR, there is a lack of proposals to prioritize traffic with distinct quality of service (QoS) requirements. This study presents adaptations to CGR to improve QoS-compliant delivery ratio when transmitting traffic with different latency constraints, along with an integer linear programming optimization model that serves as a performance upper bound. The extensive results obtained by simulating different scenarios show that the proposed algorithms can effectively improve the delivery ratio and energy efficiency while meeting latency constraints.

引用

页码：390 / 401

页数：12

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