Joint Deployment of LAU and HAU for Hierarchical Space-Air-Ground Communications

Jiang Mo, Ke Zhao, Limei Peng

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Unmanned aerial vehicles (UAVs) are becoming increasingly crucial in facilitating flexible and on-demand wireless connections in 5G and beyond (B5G) communication systems. This paper examines the joint deployment of Low Altitude UAVs (LAUs) and High Altitude UAVs (HAUs) within a four-tier Space-Air-Ground (SAG) communication system, which comprises ground IoT nodes, LAUs, HAUs, and satellites organized in a hierarchical structure, with the objective of achieving efficient and reliable transmission. The communication between an IoT node and the satellite in the SAG system occurs through a cascading wireless channel, involving sequential connections from the IoT node to the LAU, HAU, and satellite. The minimal data capacity among the links of a cascading channel becomes a bottleneck for communication. Therefore, it is essential to avoid significant rate differences among the cascading channel links and ensure a similar data rate across all links to maximize resource utilization efficiency. In this context, we propose a joint optimization of the deployment of LAUs and HAUs to maximize the minimum data capacity of links on a cascading channel. Specifically, we present a Particle Swarm Optimization (PSO) algorithm to achieve this goal. Simulation results demonstrate that the proposed PSO algorithm, which jointly optimizes the deployment of LAUs and HAUs, outperforms scenarios where LAUs and HAUs are deployed in fixed positions.

Original languageEnglish
Title of host publicationProceedings - 2023 International Conference on Networking and Network Applications, NaNA 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages133-137
Number of pages5
ISBN (Electronic)9798350327380
DOIs
StatePublished - 2023
Event2023 International Conference on Networking and Network Applications, NaNA 2023 - Qingdao, China
Duration: 18 Aug 202321 Aug 2023

Publication series

NameProceedings - 2023 International Conference on Networking and Network Applications, NaNA 2023

Conference

Conference2023 International Conference on Networking and Network Applications, NaNA 2023
Country/TerritoryChina
CityQingdao
Period18/08/2321/08/23

Keywords

  • Joint deployment of LAUs and HAUs
  • PSO algorithm
  • Space-Air-Ground communication system

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