Hardware Implementation of 1D DCT/IDCT for WLAN Channel Estimation

Moussa Diallo (1) , Laurent Cariou (1) , Maryline Hélard (2)

1 France Télécom
2 IETR - Institut d'Électronique et des Technologies du numéRique

This paper deals with a novel low complexity implementation of the DCT based pilots channel estimation for WLAN system. After the description of the existing DCT based method, a new implementation design named Modified Lee algorithm is proposed. The complexity is reduced by 30% compared to the Lee algorithm. Finally this new design is synthesized for a FPGA component and its efficiency is validated within IEEE802.11n system context.

Mots clés: DCT; channel estimation; MIMOOFDM; WLAN; hardware implementation

Moussa Diallo, Laurent Cariou, Maryline Hélard. Hardware Implementation of 1D DCT/IDCT for WLAN Channel Estimation. International Conference on Computer Applications Technology (ICCAT), Jan 2013, Sousse, Tunisia. ⟨hal-00955994⟩