Wideband Millimeter-Wave Propagation Measurements and Channel Models for Future Wireless Communication System Design
Citations
2,624 citations
Cites background or methods from "Wideband Millimeter-Wave Propagatio..."
...For 28 GHz propagation, the very first 3-D measurement based mm-wave statistical channel impulse response model is presented in [220]....
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...It uses geodesic spheres and distributed wavefronts to simulate electromagnetic propagation [220]....
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...Moreover, there is no significant loss of accuracy between field measurements and ray-tracing simulations for wireless communication channel properties, such as path loss and RMS delay spreads [220], [226]....
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...Evaluations of wideband mm-wave outdoor propagation measurements at 28, 38, 60, and 73 GHz for BS to mobile, BS to BS (backhaul), peer-to-peer, and vehicular (V2V) scenarios are consolidated in [220]....
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...The data and models proposed in [220] are expected to assist researchers in the development of channel models and system analysis for emerging mm-wave small cell wireless communication systems....
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1,659 citations
Cites background from "Wideband Millimeter-Wave Propagatio..."
...A large range of delay spreads have been measured or simulated by ray tracing in outdoor environments [2], [56], [57], [64], [65]....
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...of beam-switching to enhance robustness, when the main direction becomes blocked by a moving obstacle [2]....
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...and in many environments the percentage of delay/angle bins with significant energy is rather low, though not necessarily lower than at cm-wave frequencies [2]....
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...UE, angular spreads are considerably larger, often in the range 30-70° [2], [56], [67], [68]....
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943 citations
Cites background or methods from "Wideband Millimeter-Wave Propagatio..."
...The NYU model was developed using a much finer resolution intersection test than used by 3GPP TR 38.901, and used a real-world database in downtown New York City [23]....
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...8, 28, and 60 GHz in two typical network architectures showed that spectral efficiency and energy efficiency increased as the number of small cells increased [48], and backhaul RF measurements and models at 73 GHz were made in New York City [20], [49]....
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...An analysis of the wireless backhaul traffic at 5.8 GHz, 28 GHz, and 60 GHz in two typical network architectures showed that spectral efficiency and energy efficiency increased as the number of small cells increased [48], and backhaul measurements and models at 73 GHz were made in New York City [20], [49]....
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...Experiments performed for NLOS situations resulted in path loss for STA-STA as an FI/AB model [20] with the SF standard deviation as σSF = 3....
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...However, it is worth noting that omnidirectional path loss models will not be usable in directional antenna system analysis unless the antenna patterns and true spatial and temporal multipath channel statistics are known or properly modeled [19], [20], [29], [80], [99], [115], [116]....
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887 citations
767 citations
Cites background or methods from "Wideband Millimeter-Wave Propagatio..."
...RMS delay spread, path loss, and building penetration and reflection coefficients, leading to further models for cellular mmWave channels [39]....
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...The distribution of the AoAs/AoDs can be modeled using the empirically observed power angular spectrum [39], [121]....
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...in [3], [39], and [138], and for simplicity we use αL = 2 and αN = 4 as default values....
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References
17,102 citations
6,708 citations
"Wideband Millimeter-Wave Propagatio..." refers background or methods or result in this paper
...Rain attenuation only contributes a few dB of additional propagation path loss at mmWaves compared to free space when considering inter-site base station distances of no more than a few hundred meters, implying that the impact of rain will be mollified through the use of high gain, steerable antennas [3], [13], [14]....
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...Different frequency bands were measured by changing local oscillator frequencies, IF frequencies, and the RF front-ends; specifications and detailed block diagrams are given in [3], [13], [34], [61], [63], [65]....
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...Work at NYU WIRELESS described here has also focused on providing 3GPP-like channel models, including omnidirectional path loss models synthesized from directional channel measurements, and statistical 3-...
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...Aside from work conducted by authors at the University of Texas at Austin (UTA) and New York University (NYU), there have been relatively few published propagation studies at mmWave bands in dense urban environments for mobile access and backhaul communications....
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...A majority of measurements were conducted for indoor applications due to the earliest intended use cases (WLAN), and high oxygen absorption centered around 60 GHz [3]....
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6,693 citations
3,390 citations
3,194 citations
"Wideband Millimeter-Wave Propagatio..." refers methods in this paper
...Channel characterization of the impulse response has thus far focused on modeling the time domain, the AOA in the azimuth plane [86], [87], and/or the AOA and AOD in the azimuth and elevation planes [76], [88], to account for directionality at the TX and RX....
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...It is worth mentioning that previous published work used intra-cluster subpaths to successfully model the indoor multipath channel [86], [87], [89]....
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