Super-resolution technique for estimating MIMO WLAN channels with application to 5 GHz channel measurements

Author

Leshem, Amir ; Tal, Nir ; Kravitz, Lior ; Gerson, Eran

Author_Institution

Sch. of Eng., Bar-Ilan Univ., Ramat Gan, Israel

Volume

4

fYear

2004

fDate

17-21 May 2004

Abstract

In this paper, we demonstrate how super-resolution techniques can be used to estimate WLAN channels. The method is based on the non-stationarity of the channel impulse response over time. We then use the method to study the delay spread properties of the measured WLAN channels in the 5 GHz band. We demonstrate how super-resolution techniques can be used to estimate the different delays of the reflections as well as the power variation. We validate the method, based on an extensive set of channel measurements. We also estimate the statistical parameters of the fading process.

Keywords

MIMO systems; channel estimation; electromagnetic wave reflection; fading channels; indoor radio; multipath channels; signal resolution; time-varying channels; transient response; wireless LAN; 5 GHz; MIMO WLAN channel estimation; channel delay spread properties; channel impulse response nonstationarity; channel measurement; fading process statistical parameters; frequency selective indoor channels; indoor radio propagation; multipath reflections; power variations; reflection delays; slowly varying channels; super-resolution techniques; Delay estimation; Frequency estimation; Frequency response; MIMO; Optical reflection; Receiving antennas; Sampling methods; Signal resolution; Transmitting antennas; Wireless LAN;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 2004. Proceedings. (ICASSP '04). IEEE International Conference on

ISSN

1520-6149

Print_ISBN

0-7803-8484-9

Type

conf

DOI

10.1109/ICASSP.2004.1326984

Filename

1326984