Comparative study of millimeter wave propagation at 30 GHz and 60 GHz in indoor environment

 
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Comparative study of millimeter wave propagation at 30 GHz and 60 GHz in indoor environment (EN)

Capsalis, C (EN)
Polydorou, A (EN)
Stratakos, G (EN)
Uzunoglu, N (EN)

N/A (EN)

The millimeter wave band appears to be a favourable choice for personal wireless communication systems for indoor environment, as it meets the requirements for sufficient bandwidth, small terminal dimensions and sporadic usage for commercial applications. In this paper measurements of millimeter wave propagation in both 30 GHz and 60 GHz bands, are presented in a comparative way. The topology of measurements covers both a line-of-sight situation and also a case where a direct path between transmitter and receiver does not exist. Although the second case does not seem obvious for outdoor applications in these frequencies, in indoor environment the multipath signals produced by objects like walls, doors, furniture etc., can be utilised in order to overcome the man-made shadowing. Both slow and fast fading characteristics of the received signal are studied and the measurements are modelled by the conventional Rician and Rayleigh distributions. Both frequency bands offer advantages for usage in in-house wireless communication systems. Although in 30 GHz band the coverage area is bigger than in 60 GHz (with the same transmitting power), frequency reuse is easier in 60 GHz band. because even if millimeter waves 'escape' through 'windows', the specific attenuation due to atmospheric oxygen (15 dB/km) at 60 GHz eliminates the interference between communication channels in neighbouring buildings. © 1995 Plenum Publishing Corporation. (EN)

journalArticle

Communication channels (information theory) (EN)
Radio transmitters (EN)
Millimeter wave propagation (EN)
Millimeter Wave (EN)
Fading (radio) (EN)
Indoor Environment (EN)
Radio interference (EN)
Electromagnetic wave propagation (EN)
Millimeter waves (EN)
Electromagnetic wave attenuation (EN)
Mathematical models (EN)
Radio receivers (EN)
Rayleigh distribution (EN)
Rician distribution (EN)
Wireless Communication Systems (EN)
Radio systems (EN)

Εθνικό Μετσόβιο Πολυτεχνείο (EL)
National Technical University of Athens (EN)

International Journal of Infrared and Millimeter Waves (EN)

1995


Kluwer Academic Publishers-Plenum Publishers (EN)



*Η εύρυθμη και αδιάλειπτη λειτουργία των διαδικτυακών διευθύνσεων των συλλογών (ψηφιακό αρχείο, καρτέλα τεκμηρίου στο αποθετήριο) είναι αποκλειστική ευθύνη των αντίστοιχων Φορέων περιεχομένου.