Collaborative Multi-Resource Allocation in Terrestrial-Satellite Network Towards 6G
Shu Fu, Jie Gao, and Lian Zhao

TL;DR
This paper proposes a novel resource management scheme for terrestrial-satellite networks with hot air balloons at varying heights, optimizing energy efficiency through joint caching, computing, and communication strategies.
Contribution
It introduces a joint resource management framework considering non-uniform satellite serving times and employs a tapped water-filling algorithm with geometric programming for optimization.
Findings
Enhanced energy efficiency in TSN with variable balloon heights.
Effective scheduling of satellite relay traffic using the proposed algorithm.
Simulation confirms improved system performance and resource utilization.
Abstract
Terrestrial-satellite networks are envisioned to play a significant role in the sixth-generation (6G) wireless networks. In such networks, hot air balloons are useful as they can relay the signals between satellites and ground stations. Most existing works assume that the hot air balloons are deployed at the same height with the same minimum elevation angle to the satellites, which may not be practical due to possible route conflict with airplanes and other flight equipment. In this paper, we consider a TSN containing hot air balloons at different heights and with different minimum elevation angles, which creates the challenge of non-uniform available serving time for the communication between the hot air balloons and the satellites. Jointly considering the caching, computing, and communication (3C) resource management for both the ground-balloon-satellite links and inter-satellite…
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