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Enabling LEO Satellite Vertical Handover for Massive 6G IoT Random Access | IEEE Conference Publication | IEEE Xplore

Enabling LEO Satellite Vertical Handover for Massive 6G IoT Random Access


Abstract:

Integrated terrestrial and satellite networks will allow providing ubiquitous access and global connectivity to remotely deployed battery-activated (machine-to-machine or...Show More

Abstract:

Integrated terrestrial and satellite networks will allow providing ubiquitous access and global connectivity to remotely deployed battery-activated (machine-to-machine or IoT) sensors or handset devices with messaging/voice capacities via satellite, fostering a series of applications such as intelligent transportation, coastal monitoring, and smart agriculture. In addition, the agile measurement of sensors enables autonomous driving and fast disaster recovery. These applications could generate massive uplink connections in a short period that the network must handle to avoid failures and outages. This paper covers system aspects and refines the 3rd Generation Partnership Project (3GPP)-based solutions to support non-terrestrial networks and make their performance comparable to that of terrestrial networks for providing IoT communications. A general vertical handover framework is introduced for this integrated network to choose the most suitable access technology for a given service. Then, the whole system increases around 100% the successful transmission probability in heavy-loaded scenarios with a slight increment in the number of retransmissions and transmission delays compared to that of single connectivity solutions. Furthermore, we found that by fine-tuning network parameter configurations, the energy consumption and transmission delay can be decreased while providing reliable communications that will benefit small-sized IoT devices with limited resources.
Date of Conference: 09-13 June 2024
Date Added to IEEE Xplore: 20 August 2024
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Conference Location: Denver, CO, USA

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