A series of multiuser MIMO measurements campaigns have been carried out in the course of a project with SFR between September 2007 and February 2008 and in course of the project WHERE in June 2008. The scenarios include outdoor to indoor, outdoor stationary and outdoor vehicular.

The measurements can be downloaded from our ftp server at  ftp://emos@ftp.eurecom.fr. Please click here to request the password by email. 

The directory contains two sets of measurements,  emos_sample.zip and emos_sample2.tar.gz. Each archive contains the following files/directories:

• eval_data_MU.m: Sample script with comments that shows how to use the measurements
  
• import_filter: Directory with import filters. Also contains a pdf with documentation.
  
• measX: Directories with measurement data

All the measurements were taken arround the premises of Eurecom, Sophia Antipolis France. emos_sample.zip contains the following three sets of measurements:

• Measurement 1: NTx=4, NUser=4, NRx=2, changing LOS and NLOS. The users are in cars which are driving around the area with no fixed routes.
• Measurement 2: NTx=4, NUser=4, NRx=2, NLOS. The users are in cars parked close together on a parking lot.
• Measurement 4: NTx=2, NUser=2, NRx=2, LOS. The users are walking close together.

• Measurement 5: NTx=2, NUser=2, NRx=2,both LOS and NLOS
  

1. Florian Kaltenberger, Marios Kountouris, Raymond Knopp, David Gesbert, "Correlation and capacity of measured multi-user MIMO channels," IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2008), Cannes, France, 15.-18.9.2008.

Measuremet 4 is described in

1. Florian Kaltenberger, Laura Bernado, Thomas Zemen, "Characterization of measured multi-user MIMO channels using the spectral divergence measure," COST 2100 6th Management Comitee Meeting, Lille, France 6.-8.10.200.

Measurement 5 is described in

1. Florian Kaltenberger, Marios Kountouris, David Gesbert, Raymond Knopp, "On the trade-off between feedback and capacity in measured MU-MIMO channels", IEEE Transactions on Wireless Communictations, in press (accepted May 2009).
   

 And here are some more publications based on the measurements

1. Florian Kaltenberger, Marios Kountouris, David Gesbert, Raymond Knopp, "Performance of Multi-user MIMO Precoding with Limited Feedback over Measured Channels," EEE Global Communications Conference (GLOBECOM 2008), New Orleans, USA, 30.11.-4.12.2008. Preprint.
2. Florian Kaltenberger, Leonardo Cardoso, Marios Kountouris, Raymond Knopp, David Gesbert, "Capacity of linear multi-user MIMO precoding schemes with measured channel data,"9th IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2008), Recife, Brasil, 6.-9.7.2008.
3. Florian Kaltenberger, Leonardo Cardoso, Marios Kountouris, Raymond Knopp, David Gesbert, "Real-time Multi-user MIMO Channel Sounding and Capacity Evaluations," in COST 2100 4th Management Comitee Meeting, Wroclav, Poland, 6.-8.2.2008.