INCREASE IN ENERGY EFFICIENCY OF MILLIMETRES SYSTEMS BY THE METHOD OF CHANNEL GAIN DUE TO DIFFRACTION AND REFLECTION
Journal Title: Телекомунікаційні та інформаційні технології - Year 2017, Vol 130, Issue 3
Abstract
The paper analyses the millimetre-wave channel budget model, taking into account the radiation characteristics of a narrow-beam antenna. The proposed multi-beam model takes into account the overall gain and the millimetre wave channel losses that are the result of diffraction, reflection, absorption, excess of the rays path and divergence. This model can be used in the design of millimetre-wave mobile systems for the urban scenario. Because of the millimetre wave signal power limitations, as well as high losses in the atmosphere and scattering on obstacles (or the impossibility of passing), it is believed that the millimetre waves use is limited to 100-200 meters in the urban area. In addition, because of the very difficult conditions for the propagation of millimetre waves in the urban scenario, it is practically impossible to create analytical methods for calculating the radio channel energy budget. However, using the quasi-optical features of the millimetre wave's propagation and narrowly directed antennas radiation, this work shows the possibility gain the channel from the line-of-sight zone. A multi-beam model is proposed that takes into account the losses and amplification of the signal during diffraction, reflection and absorption, as well as excess path and beam divergence, which can be used in the design of millimetre-wave mobile systems for urban scenarios with a significant improvement in energy efficiency.
Authors and Affiliations
Yana Kremenetska, Nelia Hradoboieva, Svitlana Morozova
Keywords
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- EP ID EP281379
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