Statistics of differential rain attenuation on converging terrestrial propagation paths

Panagopoulos, Athanasios D.; Kanellopoulos, J.D.

doi:10.1109/tap.2003.816643

Cited by 32 publications

(16 citation statements)

References 7 publications

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“…Depending on the geographical region where the network is installed, the random variable A j is statistically approximated by the lognormal distribution [14] or by the Gamma distribution [15]. …”

Section: Radio Modelmentioning

confidence: 99%

“…is the integral of the temperate spatial correlation coefficient and describes the spatial nonuniformity of the rainfall medium over a single path in temperate climatic regions [14]. G is a characteristic distance ranging from 0.75 to 3 km, and depends on the frequency of operation, the local spatial behavior of the climatic phenomena.…”

Section: Lognormal Modelmentioning

confidence: 99%

“…Following the radio propagation model described above and considering the isotropy of the rainfall medium [14] the link availability between two nodes n 1 and n 2 with distance d (n 1 ,n 2 ) less than R cov in temperate climatic regions is given:…”

Section: Isolation Probabilitymentioning

confidence: 99%

“…Under this assumption, rain attenuation which is the dominant fading mechanism at this frequency range, and the only atmospheric phenomenon, that exhibits significant spatial inhomogeneity within the distances of interest, is considered [12,13]. Regarding the statistical distribution of rain attenuation induced on a radio link the lognormal distribution [14] is assumed for temperate regions and Gamma distribution is considered for tropical regions. The physical models of rain attenuation can be used with safety and reliability up to 50 GHz, since they have been tested with experimental data [14,15].…”

mentioning

confidence: 99%

“…Regarding the statistical distribution of rain attenuation induced on a radio link the lognormal distribution [14] is assumed for temperate regions and Gamma distribution is considered for tropical regions. The physical models of rain attenuation can be used with safety and reliability up to 50 GHz, since they have been tested with experimental data [14,15]. Subject of a future work is to extend these models to be valid for frequencies above 50 GHz.…”

mentioning

confidence: 99%

See 4 more Smart Citations

Multi-Hop Wireless Backhaul Networks above 10 GHz: Connectivity and Critical Density Evaluation

Pitsiladis

Panagopoulos

Constantinou

2009

J Infrared Milli Terahz Waves

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Microwave links are the obvious mobile backhauling solution for many mobile operators. Multi-hops are likely to be necessary in order to ensure connectivity for mobile backhaul solutions. The subject of the present paper is the evaluation of the connectivity of wireless multi-hop backhaul networks assuming high frequency transmissions among the relays. A novel analytical physical propagation and engineering model is presented for the calculation of the connectivity of wireless multi-hop networks that appropriate for operating frequencies above 10 GHz. Assuming equal power transmissions from every node and a random spatial node distribution following the homogeneous Poisson process, we calculate the node isolation probability. Furthermore, we calculate the minimum required node density in order to keep the backhaul network almost connected. The sensitivity of the isolation probability and of the minimum node density on frequency of operation, transmission power and climatic conditions is also investigated. Some useful conclusions are drawn.Keywords Millimeter-wave backhaul networks . Multi-hop networks . Rain fading . Poisson point field . Isolation probability . Minimum node density . Rain attenuation 1 IntroductionSelf-organizing wireless multi-hop networks have gained recently great interest in the research community and in the communications industry, mostly due to low operational and equipment cost and due to fast installation. Clients have the opportunity to access web through Internet gateways employing direct or multi-hop transmissions [1]. Multi-hop

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Section: Radio Modelmentioning

confidence: 99%

Section: Lognormal Modelmentioning

confidence: 99%

Section: Isolation Probabilitymentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Multi-Hop Wireless Backhaul Networks above 10 GHz: Connectivity and Critical Density Evaluation

Pitsiladis

Panagopoulos

Constantinou

2009

J Infrared Milli Terahz Waves

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Analytical Review on Satellite Communication: Benefits, Issues, and Future Challenges

Tripathi

Sharma

Pandey

2023

Lecture Notes in Electrical Engineering

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Cell-Site Diversity Against Co-Channel Interference in LMDS Networks

Panagopoulos

Liolis

Cottis

2006

Wireless Pers Commun

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LMDS networks are fixed radio systems providing advanced telecommunication services to a variety of users. Millimeter wave frequencies above 20 GHz have been allocated to LMDS systems by ITU-R and CEPT. The design of LMDS systems must take into account how interference affects performance considering the dominant propagation impairments in these frequencies. In the present paper, cell-site diversity, an effective fade mitigation countermeasure for LMDS systems, is considered for the reduction of intersystem interference on downstream LMDS channels. The intersystem cochannel interference may originate from adjacent LMDS networks or from point-to-point links operating at the same frequencies. A physical propagation model for the calculation of carrierto-interference ratio diversity gain for the downstream channel is presented. Numerical results focus on the impact of frequency of operation, the subscriber's service availability and the climatic conditions on the interference analysis of LMDS networks either using or not cell site diversity.

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Statistics of differential rain attenuation on converging terrestrial propagation paths

Cited by 32 publications

References 7 publications

Multi-Hop Wireless Backhaul Networks above 10 GHz: Connectivity and Critical Density Evaluation

Multi-Hop Wireless Backhaul Networks above 10 GHz: Connectivity and Critical Density Evaluation

Analytical Review on Satellite Communication: Benefits, Issues, and Future Challenges

Cell-Site Diversity Against Co-Channel Interference in LMDS Networks

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