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Low complexity channel estimation for low-mobility LTE using 4×4 MIMO

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Author

  • Farnaz Karimdady Sharifabad
  • Farzad Foroughi
  • Ove Edfors

Summary, in English

Multiple-input multiple-output (MIMO) is a mandatory feature of the Third Generation Partnership Project (3GPP) Long Term Evolution. This work investigates the performance of a low complexity channel estimator for LTE terminals with an emphasis on the 4 × 4 multiple antenna scheme. The presented work extends a promising low-complexity 2 × 2 MIMO channel estimator to the 4 × 4 MIMO case and evaluates its performance at different terminal speeds. The evaluation is done in terms of simulated error performance for coded LTE. We show that the presented channel estimator can be used without a significant performance loss up to about 15-20 km/h, where the approximations done to achieve low complexity start to have a significant impact on the performance.

Publishing year

2011

Language

English

Pages

1893-1897

Publication/Series

Proc. of the 6th IEEE Conference on Industrial Electronics and Applications (ICIEA)

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

6th IEEE Conference on Industrial Electronics and Applications (ICIEA)

Conference date

2011-06-21 - 2011-06-23

Conference place

Beijing, China

Status

Published

Research group

  • Radio Systems

ISBN/ISSN/Other

  • ISBN: 978-1-4244-8754-7