Journal
IEEE COMMUNICATIONS MAGAZINE
Volume 59, Issue 7, Pages 30-36Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/MCOM.001.2001081
Keywords
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Funding
- NSFC [62071289, 62071044]
- BJNSF [L182024]
- National Key R&D Program of China [2018YFB1801102]
- State Key Laboratory of Integrated Services Networks (Xidian University) [ISN20-03]
- FNR MEGA-LEO
- ASWELL
- DISBUS
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The article introduces the development roadmap of Low Earth Orbit (LEO) satellite constellations and the opportunities for integrating with 5G networks, emphasizing their potential and importance in connecting the unconnected population. It also provides technical challenges and future research directions for integrating LEO satellite constellations with typical 5G use cases.
The rapid development of communication technologies in the past decades has provided immense vertical opportunities for individuals and enterprises. However, conventional terrestrial cellular networks have unfortunately neglected the huge geographical digital divide, (s)ince high-bandwidth wireless coverage is concentrated in urban areas. To meet the goal of connecting the unconnected, integrating low Earth orbit (LEO) satellites with the terrestrial cellular networks has been widely considered as a promising solution. In this article, we first introduce the development roadmap of LEO (sa)tellite constellations (SatCons), including early attempts in LEO satellites with the emerging LEO constellations. Further, we discuss the unique opportunities of employing LEO SatCons for the delivery of integrating 5G networks. Specifically, we present their key performance indicators, which offer important guidelines for the design of associated enabling techniques, and then discuss the potential impact of integrating LEO SatCons with typical 5G use cases, where we engrave our vision of various vertical domains reshaped by LEO SatCons. Technical challenges are finally provided to specify future research directions.
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