Estimating frequency correlation functions from propagation measurements on fading radio channels: a critical review

Bultitude, R.J.C.

doi:10.1109/jsac.2002.801212

Cited by 74 publications

(26 citation statements)

References 16 publications

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“…For one measurement (array) location, the rms delay spread is a single number, while the instantaneous rms delay spread takes on 49 different values, and can be characterized by its histogram or (approximate) cumulative distribution function cdf. More detailed discussions about the meaning and interpretation of those quantities can be found in [23] and [24].…”

Section: B Measurement Data Processingmentioning

confidence: 99%

UWB channel measurements in an industrial environment

Karedal

Wyne

Almers

et al.

IEEE Global Telecommunications Conference, 2004. GLOBECOM '04.

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Section: B Measurement Data Processingmentioning

confidence: 99%

UWB channel measurements in an industrial environment

Karedal

Wyne

Almers

et al.

IEEE Global Telecommunications Conference, 2004. GLOBECOM '04.

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“…The antenna elements in this array have a theoretical gain of approximately 5 dBi and a pattern that is omnidirectional in azimuth but not in elevation. Roof-mounted antennas of this type have been used extensively in characterizing mobile radio channels, for example, [33,34], and have been shown [33,35] to have an azimuthal antenna pattern that is within ±3 dB of omnidirectional.…”

Section: Measurement Systemmentioning

confidence: 99%

Impact of Vehicular Array Position on Urban MIMO Channel Characteristics

Squires¹,

Willink²

2011

International Journal of Antennas and Propagation

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MIMO channel measurements have been performed in urban environments with antenna arrays positioned on the roof and sides of the measurement vehicle. Analysis of the data shows that the array's position on the vehicle, along with the location and orientation of the vehicle with respect to the transmitter, can have a considerable impact on the channel characteristics observed. Array elements on the vehicle's roof receive the same multipath components, and, therefore, have identically distributed channel responses. However, the characteristics of the multipath components observed at each side of the vehicle can differ significantly. Specifically, shadowing from the vehicle combined with the directionality of the side-mounted array elements affects the angular distribution and powers of the received multipath components, affecting the achievable diversity and channel capacity. This can have significant impact on system performance and should be considered when designing and analyzing vehicular-based signalling techniques.

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“…As reported in [17], the normally applied Fourier transform relationship between APDPs and frequency correlation functions (FCFs) is not always valid, and the relationship between rms delay spreads and coherence bandwidths can be complicated [18]. This makes it necessary to consider both measures in comparing channel characteristics.…”

Section: Frequency Correlationmentioning

confidence: 99%