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This paper presents a novel ultrawideband wireless spread spectrum millimeter-wave (mmWave) channel sounder that supports both a wideband sliding correlator mode and a real-time spread spectrum mode, also known as wideband correlation or direct correlation. Both channel sounder modes are capable of absolute propagation delay (time of flight) measurements with up to 1 GHz of radio frequency null-to-null...
Windows were traditionally used as a means of building access and egress for RF signals. However, the drive towards building energy efficiency now means that windows are frequently coated with thin layers of Transparent Conductors (TCs). TCs can let visible light energy pass virtually un-attenuated, but reflect longer wavelengths (typically from the infrared region), to keep buildings warmer in colder...
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