NDLI: Multiple ray received power modelling for mmWave indoor and outdoor scenarios

Content Provider	IET Digital Library
Author	Khawaja, Wahab Ozdemir, Ozgur Erden, Fatih Ozturk, Ender Guvenc, Ismail
Abstract	Millimetre-wave (mmWave) frequency bands are expected to be used for future fifth generation networks due to the availability of a large unused spectrum. However, the attenuation at mmWave frequencies is high. To resolve this issue, the utilisation of high gain antennas and beamforming mechanisms are widely investigated in the literature. In this work, the authors considered mmWave end-to-end propagation modelled by individual ray sources and explored the effects of the number of rays in the model and radiation patterns of the deployed antennas on the received power. It is shown that taking the dominant two rays is sufficient to model the channel for outdoor open areas as opposed to the indoor corridor which needs five dominant rays to have a good fit for the measurement and simulation results. It is observed that the radiation pattern of the antenna affects the slope of the path loss. Multi-path components increase the received power, thus, for indoor corridor scenarios, path loss according to the link distance is smaller for lower gain antennas due to increased reception of reflected components. For an outdoor open area, the slope of the path loss is found to be very close to that of the free space.
Starting Page	1825
Ending Page	1836
Page Count	12
ISSN	17518725
Volume Number	14
e-ISSN	17518733
Issue Number	Issue 14, Nov (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/14/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2020.0046
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2020-09-02
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	5G Mobile Communication Array Signal Processing Beamforming Mechanisms Directive Antenna Dominant Rays Fifth Generation Network High Gain Antenna Individual Ray Source Indoor Corridor Scenario Indoor Radio Lower Gain Antenna Millimetre Wave Antenna Millimetre Wave Propagation Millimetre-wave Frequency Band MmWave End-to-end Propagation MmWave Frequency MmWave Indoor Scenario MmWave Outdoor Scenario Mobile Radio System Multipath Channel Multipath Component Multiple Ray Received Power Modelling Outdoor Open Area Path Loss Radiation Pattern Radio Wave Propagation Ray Tracing Signal Processing And Detection Single Antenna
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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