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Advances in satellite and receiver technology make former denied areas like indoors accessible for satellite based radio services. As a consequence, suitable penetration loss models are of significant importance for service availability planning. Standard penetration loss models ignore the building layout in relation to the transmitter-receiver geometry. Within this paper, we introduce the term entry...
In radio navigation system working on medium-short wave band, serious multipath interference and atmosphere noise make the precision of code tracking loop decrease. In order to improve the positioning precision, carrier phase measurement is generally adopted, but carrier ambiguity resolution is a key problem. Based on the analysis of multipath error of code tracking loop, a carrier ambiguity resolution...
A new technology based on IEEE 802.16e should be applied for airport data link applications. To determine the most adequate parameters for the physical layer system design, it is important to consider the propagation channel characteristics. The paper presents results of the channel measurement campaign at Munich airport, in the C band. Using a test signal of 120 MHz bandwidth, large number of channel...
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