NDLI: Performance of an Iterative Multi-User Receiver for MIMO-OFDM Systems in a Real Indoor Scenario

Content Provider	IEEE Xplore Digital Library
Author	Salvo Rossi, P. Hammarberg, P. Tufvesson, F. Edfors, O. Almers, P. Kolmonen, V.-M. Koivunen, J. Haneda, K. Muller, R.R.
Copyright Year	2008
Description	Author affiliation: Dept. of Electron. & Telecommun., Norwegian Univ. of Sci. & Technol., Trondheim, Norway (Salvo Rossi, P.; Muller, R.R.)
Abstract	This paper aims at validation of an iterative receiver for multiple-input multiple-output with orthogonal frequency division multiplexing (MIMO-OFDM) systems using real-measurement channel data from an indoor scenario. The receiver performs iterative multi-user detection (MUD) and Channel Estimation (CE) via soft information from the single- user decoders. The channel measurements were performed for a dynamic dual MIMO link scenario. The case with two users with multiple antennas interfering each other is considered. CE at the receiver exploits the frequency correlation of the MIMO link. Simulation results for the performance are shown in terms of bit- error rate (BER) vs. signal-to-noise ratio (SNR). Performance for the whole system are provided and compared with respect to the case of perfect channel-state information (PCSI) at the receiver, as well as for the single user. We also provide an analysis of BER with respect to signal-to-interference ratio (SIR). CE performance are evaluated in terms of normalized mean square error (NMSE).
Starting Page	1
Ending Page	5
File Size	262470
Page Count	5
File Format	PDF
ISBN	9781424423248
ISSN	1930529X
DOI	10.1109/GLOCOM.2008.ECP.857
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Multiuser detection Bit error rate OFDM Channel estimation Iterative decoding Antenna measurements Performance evaluation Frequency Error analysis
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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