Estimation of average Rician K-factor and average mode bandwidth in loaded reverberation chamber
Artikel i vetenskaplig tidskrift, 2011

A well-stirred reverberation chamber without noticeable direct coupling between the transmitting and receiving antennas emulates an isotropic Rayleigh fading environment and can therefore be used for qualitative over-the-air (OTA) measurements of wireless devices with small nondirective antennas. By loading such a chamber, it is possible to generate a Rician environment. This letter introduces an average Rician K-factor that describes the reverberation chamber better than the normal K-factor, in particular when the chamber is provided with platform and polarization stirring. This letter shows how to estimate this average K-factor. The average mode bandwidth also changes by loading the chamber. While the average K-factor determines uncertainty, the average mode bandwidth determines the channel coherence bandwidth. They are therefore the two most important parameters for the characterizations of a reverberation chamber.

Författare

Chen Xiaoming

Chalmers, Signaler och system, Kommunikationssystem, informationsteori och antenner, Antennsystem

Per-Simon Kildal

Chalmers, Signaler och system, Kommunikationssystem, informationsteori och antenner, Antennsystem

Szhau Lai

Chalmers, Mikroteknologi och nanovetenskap (MC2), Mikrovågselektronik

IEEE Antennas and Wireless Propagation Letters

1536-1225 (ISSN)

Vol. 10 1437-1440 5730210

Styrkeområden

Informations- och kommunikationsteknik

Ämneskategorier

Elektroteknik och elektronik

DOI

10.1109/LAWP.2011.2179910