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- W4386249935 abstract "Low earth orbit (LEO) satellite communications promise next-generation mobile networks with seamless connectivity to rural, remote, and inaccessible areas. Notably, due to low-cost deployment and quick turn-around times in production, proliferated LEOs deployed and orchestrated as a swarm of satellites can support ultra-broad transmissions for the ever-evolving communications and aid current wireless network infrastructure. This paper introduces a scalable and programmable OTA (over-the-air) testbed, called SPELS, to provide a real-time architectural implementation of satellite swarm systems and demonstrate the testbed's effectiveness in online swarm communications. First, the in-lab SPELS testbed is established with COTS (commercial off-the-shelf) software-defined radios, a high-performance host computer, and wireless softwarization. Accordingly, the latest AI-enabled wireless communications and real-time signal processing constraints can be easily realized upon various frontends by decoupling radio swarm networks' control and data planes. Furthermore, based on the designed infrastructure, an end-to-end module is proposed for timely and resilient satellite swarm communications. This module consists of swarm-MRC, an optimal swarm combining technique, and a 5G-compliant deep learning-based LDPC scheme. Experimental evaluations validate the superiority of our swarm combiner with learning-enabled channel coding for online frontend operations, thus facilitating LEO swarm readiness." @default.
- W4386249935 created "2023-08-30" @default.
- W4386249935 creator A5065678043 @default.
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- W4386249935 date "2023-05-20" @default.
- W4386249935 modified "2023-09-27" @default.
- W4386249935 title "SPELS: Scalable and Programmable Testbed for Evaluating LEO Satellite Swarm Communications" @default.
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- W4386249935 doi "https://doi.org/10.1109/infocomwkshps57453.2023.10225764" @default.
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