Very high radiofrequency radiation at Skeppsbron in Stockholm, Sweden from mobile phone base station antennas positioned close to pedestrians’ heads

2022 ◽  
pp. 112627
Author(s):  
Tarmo Koppel ◽  
Mikko Ahonen ◽  
Michael Carlberg ◽  
Lennart Hardell
Keyword(s):  
Mobile Phone ◽  
Base Station ◽  
Radiofrequency Radiation ◽  
Base Station Antennas ◽  
Mobile Phone Base Station ◽  
Very High

Analysis of Antenna Types Performance in Mobile Phone Base Station

2017 ◽  
Author(s):  
Saba Fadhel Jaf ◽  
Muhamed Fadhel Jaf ◽  
Niyaz Fadhel Jaf
Keyword(s):  
Mobile Phone ◽  
Base Station ◽  
Mobile Phone Base Station

scholarly journals AERATED CONCRETE MICROWAVE REFLECTION AND TRANSMISSION PROPERTIES IN A WET ENVIRONMENT

2017 ◽  
Vol 3 ◽  
pp. 145
Author(s):  
Tarmo Koppel ◽  
Inese Vilcane ◽  
Viktor Mironov ◽  
Andrei Shiskin ◽  
Sanita Rubene ◽  
...  
Keyword(s):  
Water Content ◽  
Transmission Loss ◽  
Base Station ◽  
Microwave Propagation ◽  
Reflection And Transmission ◽  
Excess Water ◽  
Base Station Antennas ◽  
Mobile Phone Base Station ◽  
Aerated Concrete ◽  
Wetting Process

Excess water content within the building material could greatly alter the interaction of the microwave with the material. In this study aerated concrete (AEROC) block walls (60x60cm) were investigated for their microwave (2.4 GHz) properties under wetting conditions. The spray wetting of the wall was conducted to simulate the environmental processes such as raining or water damage. 50ml/m² water dosage was applied on the surface of the concrete 21 times in 1 min intervals. The results show a noticeable decrease in microwave penetration power through the material after the sample gets enriched with water. As the water content on the surface of the material rises, so does the transmission loss. During the different water content of the aerated concrete, the reflection loss varied from -15.04 dB (dry wall) to -5.03 dB (wet wall’s surface). The transmission loss continues to rise during the entire length of the experiment, from -4.5 dB as a dry sample to -8.3 dB after 441 ml (1035 ml/m² during 23 min) of sprayed water. The variation of reflected microwave power was approximately ten times, which is quite a significant indicator of alteration of microwave propagation. The results demonstrate wetting process as an considerable factor in assessing microwave propagation in near the sources, such as mobile phone base station antennas, industrial microwave heaters and ovens etc.

scholarly journals Use of portable exposure meters for comparing mobile phone base station radiation in different types of areas in the cities of Basel and Amsterdam

2014 ◽  
Vol 468-469 ◽  
pp. 1028-1033 ◽  
Author(s):  
Damiano Urbinello ◽  
Anke Huss ◽  
Johan Beekhuizen ◽  
Roel Vermeulen ◽  
Martin Röösli
Keyword(s):  
Mobile Phone ◽  
Base Station ◽  
Different Types ◽  
Mobile Phone Base Station

Mobile phone base station radiation does not affect neoplastic transformation in BALB/3T3 cells

2008 ◽  
Vol 29 (1) ◽  
pp. 55-64 ◽  
Author(s):  
H. Hirose ◽  
T. Suhara ◽  
N. Kaji ◽  
N. Sakuma ◽  
M. Sekijima ◽  
...  
Keyword(s):  
Mobile Phone ◽  
Neoplastic Transformation ◽  
Base Station ◽  
3T3 Cells ◽  
Mobile Phone Base Station

Residents’ Traveling Track and Analysis Methods Based on Mobile Phone Data

2014 ◽  
Vol 926-930 ◽  
pp. 2730-2734 ◽  
Author(s):  
Pan Li ◽  
Ye Wen Gao ◽  
Ju Wei Wu ◽  
Xu Li ◽  
Bing Bing Wu
Keyword(s):  
Mobile Phone ◽  
Base Station ◽  
Urban Transport ◽  
Mobile Phone Data ◽  
Analysis Method ◽  
Station Data ◽  
National Economic ◽  
Gis Data ◽  
Mobile Phone Base Station ◽  
National Economic Development

To avoid traffic congestion’s becoming the obstruct of social and national economic development is the final goal that professionals in transportation field make great efforts to pursue. At the same time, with the increasing popularity of mobile phones, we can get a lot of phone base station data to identify the residents’ travelling track. Thus we can analyze the residents’ travelling behavior and get residents’ travelling patterns and mechanism. Also, residents’ travelling could be induced and guided in order that the condition of urban transport can be improved. Based on the above background, this paper is mainly based on mobile phone base station data and GIS data analysis method research on the urban transportation of residents’ travelling track.

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