A Dynamic Dual-Link Wideband MIMO Channel Sounder for 5.3 GHz

Author

Kolmonen, Veli-Matti ; Almers, Peter ; Salmi, Jussi ; Koivunen, Jukka ; Haneda, Katsuyuki ; Richter, Andreas ; Tufvesson, Fredrik ; Molisch, Andreas F. ; Vainikainen, Pertti

Author_Institution

Dept. of Radio Sci. & Eng., Helsinki Univ. of Technol. (TKK), Espoo, Finland

Volume

59

Issue

4

fYear

2010

fDate

4/1/2010 12:00:00 AM

Firstpage

873

Lastpage

883

Abstract

In this paper, we present and evaluate the performance of a dynamic dual-link wideband multiple-input-multiple-output (MIMO) channel sounder. The channel sounder can simultaneously measure two wideband dual-polarized links, each with a MIMO matrix size of 30 ?? 30 and 30 ?? 32. Multilink MIMO systems, including multiuser and cooperative MIMO, are essential parts of future high-throughput wireless local area networks and fourth-generation cellular systems. To fully understand such systems, the dynamic characteristics of multilink MIMO channels have to be measured. In this paper, we present a channel sounder that enables such measurements, including double-directional parameter estimation possibility for both links. The presented dual-link MIMO channel sounder does not suffer from the deficiencies of previous "virtual multiuser"measurement systems. Furthermore, system analysis and sample results from a measurement campaign with this channel sounder at 5.3 GHz in an indoor office environment are presented.

Keywords

4G mobile communication; MIMO communication; cellular radio; wireless LAN; wireless channels; MIMO channel sounder; MIMO matrix; MIMO systems; double-directional parameter estimation; dynamic dual-link wideband MIMO; fourth-generation cellular systems; frequency 5.3 GHz; multiple-input-multiple- output channel sounder; wideband dual-polarized links; wireless local area networks; Channel measurements; dual link; multiple-input multiple-output (MIMO); multiuser; radio channel;

fLanguage

English

Journal_Title

Instrumentation and Measurement, IEEE Transactions on

Publisher

ieee

ISSN

0018-9456

Type

jour

DOI

10.1109/TIM.2009.2026608

Filename

5286283