Stan X. Lu

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In this paper, channel measurement campaigns at center frequency of 72 GHz with 2 GHz bandwidth conducted by Huawei company are introduced. The transmitter and receiver make use of similar horn antennas which are rotated step by step in the directional domains to capture the frequency spectra of spatial channels in line-of-sight and non-line-of-sight(More)
In this contribution, the measurements of intra-body radio propagation channel are conducted at carrier frequencies 433 MHz, 900MHz and 2.4GHz with bandwidth of 2 MHz for different persons. The objective is to find unique propagation characteristics which can be used as fingerprints for personal authentication. The experiment results obtained demonstrate(More)
In this contribution, we derive the spread function and power spectrum of the so-called “relay channel” along which electromagnetic waves propagate from a source station to a destination station via multiple amplify-and-forward (AF) relay stations. These results show analytically that the propagation over such a relay channel can be influenced by the(More)
In order to extract the statistical characteristics of propagation channels, multiple impulse responses of the channels are measured and saved e.g. in terms of cycles or bursts. In the case where measurements are performed in time-variant environments, the received signals need to be divided into multiple segments. It is essential to perform the data(More)
We discuss the measured propagation characteristics of E-Band radio signals measured in indoor office and closed meeting room scenarios for LOS (Line-of-Sight) and NLOS (NonLine-of-Sight) conditions. A new wideband channel sounder with 2 GHz bandwidth (i.e. 72 GHz ~ 74 GHz) was used for the propagation measurements. In both the LOS and NLOS scenarios, a(More)