Multipath channel measurements and analysis at UHF band for LEO satellites

  • Ding S
  • Li L
  • Liu H
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Abstract

A measurement experience for the downlink channel of the low earth orbit (LEO) satellites at UHF band was carried out by utilizing a dedicated simulator which could totally simulate an in-orbit LEO satellite. Results including the spectrum of the received signal, the multipath delay over the chip period, the sub-chip multipath delay and the Ricean K-factor were presented for a wide range of propagation surroundings, such as urban, suburban, open environments. The results can be utilized to optimize the design of the LEO mobile satellite systems, especially the Rake-receiving strategy and the dynamic property of the receiver.

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Authors

  • Sheng Ding

  • Limin Li

  • Huijie Liu

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