Can wireless propagation channel modeling and antenna theory enhance wireless channel modeling theory?
The integration of wireless propagation channel modeling and antenna theory beneficially augments wireless channel modeling theory. In , a multi-port model based on circuit theory was established for wireless communication systems and the continuous-space electromagnetic channel capacity bound was analyzed.
How is energy attenuation measured?
Field observations of EMW have shown that the energy attenuation can be empirically evaluated using the frequency of the incident wave; pressure, the temperature, and humidity of atmosphere; and the composition, size, and concentration of the suspended particles , , , , , , , , , .
What is antenna theory?
As a further pivotal component, antenna theory considers the design, analysis, and characteri-zation of antennas. Finally, the wireless propagation channel links the Tx and Rx antennas and carries information via electromagnetic waves, acting as the bridge connecting the four theories.
Why is electromagnetic wave propagation important in charged haze aerosol?
Studying the propagation characteristics of electromagnetic wave (EMW) in charged haze aerosol is conducive to calibrate instruments designed based on energy attenuation of EMW and is critical to providing guidance for deployment of network base stations.
How do passive antennas work?
Antennas transform wire propagated waves into space propagated waves. They receive electroma-gnetic waves and pass them onto a receiver or they transmit electromagnetic waves which have been produced by a transmitter. As a matter of principle all the features of passive antennas can be applied for reception and transmission alike (reciprocality).
How do antennas interact with the environment in wireless propagation channel modeling?
Upon increasing the number of el-ements in ultra-massive MIMO and holographic MIMO, the antennas be-come intricately combined with the environment. Wireless propagation channel modeling only considers the antenna radiation parameters, but not the antenna circuit parameters.
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