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On the performance of iterative receivers for interfering MIMO-OFDM systems in measured channels

Författare

Summary, in English

This paper investigates the gains harvested through base station cooperation in the up-link for a multi-user (MU) Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing (MIMO-OFDM) system, operating in a real indoor environment. The base stations perform joint detection using an iterative receiver that carries out multi-user detection and channel estimation via soft information from the single-user decoders. Performance evaluation is carried out using real channels from an indoor dynamic dual MIMO link measurement campaign. The measured scenario represent a real life situation where two users communicate with two base stations, each with two antennas, in an environment resembling a shopping mall or an airport terminal. System performance is evaluated in terms of both Bit-Error Rate (BER) vs. Signal-to-Interference Ratio (SIR) and Cumulative Distribution Functions (CDF) for the instantaneous BER. Also, the impact of using soft information in the channel estimation is analyzed.

Publiceringsår

2008

Språk

Engelska

Sidor

141-145

Publikation/Tidskrift/Serie

42nd Asilomar Conference on Signals, Systems and Computers

Dokumenttyp

Konferensbidrag

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

42nd Asilomar Conference on Signals, Systems and Computers, 2008

Conference date

2008-10-26 - 2008-10-29

Conference place

Pacific Grove, California, United States

Status

Published

Forskningsgrupp

  • Radio Systems

ISBN/ISSN/Övrigt

  • ISSN: 1058-6393
  • ISBN: 978-1-4244-2940-0