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Packet combining with chip level frequency domain turbo equalization for multi-code transmission over multi-antenna broadband channel

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3 Author(s)
Houda Chafnaji ; Communications Systems Department, INPT, Madinat Al Irfane, Rabat, Morocco ; Tarik Ait-Idir ; Samir Saoudi

In this paper, we introduce two packet combining schemes with low complexity minimum mean square error (MMSE) turbo equalization for single user multi-code CDMA transmission over a broadband multiple input multiple output (MIMO) channel. The first scheme considers each transmission as an additional set of virtual receive antennas and combines multiple transmissions using a frequency domain chip level turbo equalizer. The second scheme performs frequency domain turbo equalization separately for each transmission then combines filter outputs. A comparative study in terms of performance and complexity is conducted to show the great potential of packet combining with integrated turbo equalization.

Published in:

2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications

Date of Conference:

15-18 Sept. 2008