LEO Satellite Beam Management Algorithms

Oren Markovitz, Michael Segal

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

Abstract

A global service LEO constellation aims to provide service to any terminal covered by the constellation planes. To reduce the satellite cost, which is directly related to its power usage and weight, each satellite should be able to service (cover) all the terminals within its Field-of-View (FoV) using the satellites beams in the most efficient way. LEO satellite network vendors use different approaches to handle the user terminals diverse locations. A stepping (or tracking) beam constellation provides service to predefined areas instead of a full coverage. As a result, satellites using stepping beams are more efficient, as power is used only for populated areas. When the constellation shifts, beams are allocated such that each area is serviced by one of the satellites that has the area in its FoV. Stepping beams constellations raise unique and complicated tasks. When admitting a new service area, we should verify it can be covered by a satellite beam at any coverage combination of the moving constellation. The algorithms should take into account the satellite limitations (power, number of beams).Previous works analyzed the overall efficiency of each constellation architecture and the technologies of the on-board beams, while little attention was paid to the algorithm that validates a consistent coverage of new service areas. The major contribution of this paper is a novel algorithm for validating new service areas in a LEO stepping beam constellation.

Original languageEnglish
Title of host publication2021 17th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob)
PublisherIEEE Computer Society
Pages115-120
Number of pages6
ISBN (Electronic)9781665428545
DOIs
StatePublished - 2021
Event17th International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob 2021 - Virtual, Online, Italy
Duration: 11 Oct 202113 Oct 2021

Publication series

NameInternational Conference on Wireless and Mobile Computing, Networking and Communications
Volume2021-October
ISSN (Print)2161-9646
ISSN (Electronic)2161-9654

Conference

Conference17th International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob 2021
Country/TerritoryItaly
CityVirtual, Online
Period11/10/2113/10/21

Keywords

  • LEO
  • satellite
  • stepping beam
  • tracking beam
  • user beams

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Hardware and Architecture
  • Software

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