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

Houda Chafnaji (1, 2) , Tarik Ait Idir (1, 2) , Samir Saoudi (3, 1)

1 SC - Département Signal et Communications
2 INPT - Institut National des Postes et Télécommunications [Rabat]
3 Lab-STICC_TB_CACS_COM

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.

Domaines: Traitement du signal et de l'image [eess.SP]

Houda Chafnaji, Tarik Ait Idir, Samir Saoudi. Packet combining with chip level frequency domain turbo equalization for multi-code transmission over multi-antenna broadband channel. PIMRC 2008 : 19th annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, September 15-18, Cannes, France, Sep 2008, Cannes, France. pp.1 - 5, ⟨10.1109/PIMRC.2008.4699809⟩. ⟨hal-02120779⟩