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Reliable propagation models are required for the design of satellite broadcast to mobile or satellite navigation systems at S-band in the indoor environment. In particular, these models will support the development of hybrid satellite systems including complementary ground components. Apart from the effects of shadowing and multipath encountered in LMS (land mobile satellite) urban and suburban environments, the satellite-to-indoor channel is affected by high building penetration losses, but also lower Doppler spread due to static or quasi-static situation of the user terminal. Results from a measurement campaign simulating a satellite-to-indoor link are presented.
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