Global ETD Search
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Showing 1 to 3 of 3 for “"868 MHz"”.
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Modelling, analysis and design of MAC and routing protocols for wireless body area sensor networks.
… under different frequency bands including 420 MHz, 868 MHz and 2.4 GHz. Second, we proposed a duty-cycle based energy efficient adaptive MAC layer mechanism called Tele-Medicine Protocol (TMP) by considering the limited delay and reliability for patient monitoring systems. The proposed energy …
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Collaborative control of wave glider platforms - Local Communication and Sea State Estimation
… that, at the frequency of operation, which was 868 MHz, seawater reacted as a lossy conductor and reflected the signal upward, with negligible power penetrating the surface of the ocean. The subsequent study reviewed the statistical properties of the ocean surface waves in a sea of deep waters …
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Bezdrátová komunikace v oblasti požárního sportu
Tato práce se zabývá návrhem bezdrátové časomíry pro disciplíny požárního sportu. Cílem je nahradit dlouhé kabelové rozvody bezdrátovými spoji při zachování srovnatelné, nebo lepší spolehlivosti. S tím souvisí potřeba synchronizovat hodiny mezi jednotlivými bezdrátovými moduly. Důležitou částí …