Articles with "beam hopping" as a keyword



Photo from wikipedia

Dynamic Beam Hopping for DVB-S2X GEO Satellite: A DRL-Powered GA Approach

Sign Up to like & get
recommendations!
Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3141420

Abstract: Dynamic beam hopping (DBH) is a crucial technology for adapting to the flexibility of service configurations in multi-beam satellite (MBS) communications. To solve the problem that the traditional beam-hopping method is difficult to adapt to… read more here.

Keywords: drl; satellite; beam hopping; drl powered ... See more keywords
Photo from wikipedia

NGSO Satellites Beam Hopping Strategy Based on Load Balancing and Interference Avoidance for Coexistence With GSO Systems

Sign Up to like & get
recommendations!
Published in 2023 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3213912

Abstract: Non-geostationary orbit (NGSO) satellite communication system plays an important role in achieving seamless global coverage and addressing the digital divide. The uneven distribution of terrestrial users and the high mobility of NGSO satellites put forward… read more here.

Keywords: balancing interference; interference avoidance; interference; load balancing ... See more keywords
Photo from wikipedia

Joint Beam-Hopping Scheduling and Coverage Control in Multibeam Satellite Systems

Sign Up to like & get
recommendations!
Published in 2023 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2022.3223507

Abstract: Beam-hopping scheduling technology is a crucial technology for improving the performance of resource-constrained multibeam satellite (MBS) systems. However, it is challenging to dynamically match the communication demands of the terrestrial cells with the beam transmission… read more here.

Keywords: multibeam satellite; beam; coverage; hopping scheduling ... See more keywords
Photo from wikipedia

Joint Design of Beam Hopping and Multiple Access Based on Cognitive Radio for Integrated Satellite-Terrestrial Network

Sign Up to like & get
recommendations!
Published in 2023 at "IEEE Network"

DOI: 10.1109/mnet.005.2200466

Abstract: The integrated satellite-terrestrial communication network (ISTCN) has become an important research direction for future sixth-generation mobile networks to meet the communication demands of seamless global coverage and anytime access. In ISTCN, terrestrial terminals and satellite… read more here.

Keywords: spectrum resources; multiple access; beam hopping; joint design ... See more keywords
Photo from wikipedia

Dynamic Beam Hopping Method Based on Multi-Objective Deep Reinforcement Learning for Next Generation Satellite Broadband Systems

Sign Up to like & get
recommendations!
Published in 2020 at "IEEE Transactions on Broadcasting"

DOI: 10.1109/tbc.2019.2960940

Abstract: When regarding the inherent uncertainty of differentiated services requirements as well as the non-uniform spatial distribution of capacity requests, it is essential to flexibility adjust resources of the satellite to satisfy the different conditions. How… read more here.

Keywords: objective deep; satellite; beam hopping; deep reinforcement ... See more keywords
Photo by jontyson from unsplash

Dynamic Beam Pattern and Bandwidth Allocation Based on Multi-Agent Deep Reinforcement Learning for Beam Hopping Satellite Systems

Sign Up to like & get
recommendations!
Published in 2022 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2022.3145848

Abstract: Due to the non-uniform geographic distribution and time-varying characteristics of the ground traffic request, how to make full use of the limited beam resources to serve users flexibly and efficiently is a brand-new challenge for… read more here.

Keywords: time; beam; bandwidth allocation; allocation ... See more keywords
Photo from wikipedia

The Next Generation of Beam Hopping Satellite Systems: Dynamic Beam Illumination With Selective Precoding

Sign Up to like & get
recommendations!
Published in 2023 at "IEEE Transactions on Wireless Communications"

DOI: 10.1109/twc.2022.3213418

Abstract: Beam Hopping (BH) is a popular technique considered for next-generation multi-beam satellite communication system which allows a satellite focusing its resources on where they are needed by selectively illuminating beams. While beam illumination plan can… read more here.

Keywords: dynamic beam; beam illumination; beam; next generation ... See more keywords