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Pilot embedding for joint channel estimation and data detection in MIMO communication systems

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3 Author(s)
Haidong Zhu ; Dept. of Electr. & Comput. Eng., Univ. of Utah, Salt Lake City, UT, USA ; B. Farhang-Boroujeny ; C. Schlegel

A novel pilot-aided joint channel estimation and data detection method for MIMO communication systems is proposed. Unlike, conventional methods where pilots are time-multiplexed with data symbols, a pilot-embedding method where low-level pilots are transmitted concurrently with the data is used to obtain an initial estimate of the channel such that a turbo decoding process can be started. The soft information obtained from the turbo decoder is subsequently used to improve channel estimates.

Published in:

IEEE Communications Letters  (Volume:7 ,  Issue: 1 )