The Space Development Agency (SDA) is developing a proliferated Low Earth Orbit (LEO) constellation of spacecraft. Spacecraft in this constellation will communicate with each other using optical intersatellite links. The US Naval Research Laboratory (NRL) has built and operated a laboratory testbed for investigating the interoperability of optical communication terminals in the SDA constellation. The challenges and design considerations of the testbed are discussed. The testbed's different modes of operation, and some of the verification and validation that was done using NRL test terminals are described.
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Rabinovich et al. (2024) studied this question.
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