Journal of Technology in Aerospace Engineering

Journal of Technology in Aerospace Engineering

Conceptual Design of Store and Forward Payload for LEO Satellite

Document Type : Research Article

Authors
1 Assistant Professor, Satellite Systems Research Institute (SRI), Tehran, Iran
2 Instructor, Satellite Systems Research Institute (SRI), Tehran, Iran
Abstract
One of the satellite telecommunication services is the S&F service. In this article, the service characteristics are analyzed and the impact of them on the design parameters is explained. One of the challenges of telecommunication payload design is the mapping of service parameters to the technical requirements of payload components. First, analytical relationships between service parameters (the number of users, traffic, and delay) and technical requirements (network capacity and onboard memory) are presented. Then, the protocol stack and its parameters are selected with the aim of optimizing the power and network efficiency while considering the link conditions. By systematically identifying the service specification's impact on the design parameters and the design process, payload requirements in order to develop a network are easily extracted. One of the effective factors in the payload block diagram design is its reliability. The design of redundancy is proposed by considering the component's reliability and its function with the aim of achieving reliability and reducing fault propagation.
Keywords
Subjects

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  • Receive Date 21 January 2023
  • Revise Date 06 September 2023
  • Accept Date 20 September 2023
  • First Publish Date 05 November 2023