NDLI: Genetic Algorithm for TDRS Communication Scheduling with Resource Constraints

Content Provider	IEEE Xplore Digital Library
Author	Zong-li Li Xin Meng Shu-qian Liu Sheng-lei Zhang Wei Zheng
Copyright Year	2008
Description	Author affiliation: Beijing Aerosp. Command Control Centre, Beijing (Sheng-lei Zhang) \|\| Center for Space Sci. & Appl. Res., Beijing (Zong-li Li; Xin Meng; Wei Zheng) \|\| PL A, Beijing (Shu-qian Liu)
Abstract	The focus of this paper is dynamic link allocation algorithms for sharing the limited link resources of the tracking and data relay satellites (TDRS) system among many burst users with varying quality of service (QoS) requirements. The task of scheduling communications between TDRS link and spacecraft is getting more and more critical since an increasing number of spacecraft must communicate with ground station by the TDRS. In such a congested scenario, the current practice, in which experts build hand-made schedules, often leaves a large number of communication requests un-served. This paper proposes a tight time-indexed formulation of the problem to include several complex technological constraints. A genetic algorithm is then devised which provides near-optimal solutions of a set of large-scale test problems arising in the TDRS-spacecraft constellation. As the simulation result, the genetic algorithm shows numerical stability and robustness adequate for practical implementation.
Starting Page	74
Ending Page	77
File Size	276689
Page Count	4
File Format	PDF
ISBN	9780769535050
DOI	10.1109/IITA.Workshops.2008.85
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space vehicles Heuristic algorithms Space technology Quality of service Satellite ground stations Large-scale systems Resource management Relays Genetic algorithms Testing
Content Type	Text
Resource Type	Article

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