Dynamic resource allocation in leo satellite
WebApr 11, 2024 · To facilitate IoT communications over LEO SatCom, in this paper, we propose the cognitive LEO satellite system, where the IoT users act as the secondary user to access the legacy LEO satellites ... WebIn this article, a new multi-objective programming scheme is used to solve the dynamic resource allocation problem, guaranteeing high quality-of-service for multiple services of different priorities. Since the dynamic resource allocation problem is formulated as NP-hard, a new traffic-aware dynamic resource allocation (TADRA) algorithm is proposed.
Dynamic resource allocation in leo satellite
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WebApr 10, 2024 · Due to numerous Low Earth Orbit (LEO) satellites, urgent analysis of many temporary inter-satellite links (ISLs) is necessary for mega constellation networks. Therefore, introducing a dynamic link in topology design is crucial for increasing constellation redundancy and improving routing options. This study presents one class of … WebJun 24, 2024 · A network architecture of LEO satellite that utilizes a centralized resource pool and designs a combination allocation of fixed channel preallocation and dynamic …
WebHowever, LEO satellite networks suffer from high Doppler due to the satellite motion relative to the ground user as well as a high level of co-channel interference. The high level of interference is caused by other devices operating in the same time-frequency resources due to the wide coverage area of the satellite. High interference in ... WebOW Earth Orbits (LEO) have recently gained in L popularity in the area of satellite communication compared with Geostationary orbit satellites (GEO), mainly The proposed simulator will be based on Cloud Computing, which is a leading computing technology domain that allows the consolidation of distributed computing resources and due to their ...
WebFeb 28, 2024 · LEO network; Routing strategy; Dynamic-static combination algorithm; Load balancing; ... Scholars [16, 17] apply deep reinforcement learning to the resource allocation of satellite communications, explore the relevance of different time slices, convert the system state into pictures, extract features, and then identify and make … WebNov 8, 2024 · Due to the low orbit altitude of LEO satellites, the satellites move fast, which brings a series of challenges, such as Doppler frequency shift and short radiation time of …
WebApr 1, 2024 · The LEO satellite network has been a valuable architecture due to its characteristics of wide coverage and low transmission delay. Utilizing LEO satellites as edge computing nodes to provide reliable computing services for access terminals will be the indispensable paradigm of integrated space-air-ground network.
Web1) A dynamic game-based resource pricing and allocation model for LEO satellites, to control service price and resources for mobile users, is proposed. 2) The resource price is formulated as the dynamic state of the LEO satellites, the variation of which is affected by the resource allocation strategy. 3) Each satellite controls the resource ... gpt chattohaWebApr 11, 2024 · For the cognitive LEO satellite system, we are interested in the achievable rate analysis and resource allocation. Specifically, considering the randomness of spreading codes, we use the random matrix theory to analyze the asymptotic signal-to-interference-plus-noise ratios (SINRs) and accordingly obtain the achievable rates for … gptchat 中文WebMay 13, 2024 · constraints, collaborative computing and resource allocation among LEO networks are jointly investigated in this paper, and the joint task offloading, scheduling, and resource allocation is formulated as a dynamic mixed-integer problem. To tack the complex problem, we decouple it into two subproblems with low complexity. gptchat vpnWebBecause of dynamic movement across the Earth's surface, the channel characteristics of a LEO satellite are more dynamic than those of a GEO satellite. This requires fast and … gptchat testWebOn the basis of the satellite resource pool, this paper proposes a network architecture of LEO satellite that utilizes a centralized resource pool and designs a combination allocation of fixed channel preallocation and dynamic channel scheduling. The dynamic channel scheduling can allocate or recycle free channels according to service requirements. gpt chat translateWebThis requires fast and efficient resource allocation (RA) for LEO systems to efficiently utilize limited power and bandwidth resources under dynamically changing constraints, including traffic demands (TDs) and channel conditions. gptchat中文版WebOct 21, 2024 · Specifically, firstly, we propose a two-stage SVN embedding mechanism that decouples short-term resource allocation from long-term admission control and resource leasing. Then, we consider the case of uncertain system capacity due to the highly dynamic nature of the satellite networks topology, and model the admission control problem as a ... gptchat中文网