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This paper proposes a new multi-mode and multi-standard receiver architecture for WLAN (OFDM, CCK, PBCC) and cellular systems (TD-SCDMA, cdma2000 1x-EV-DO, cdma2000 1x EV-DV, UMTS FDD HSDPA). The proposed architecture applies a FFT-based frequency-domain block linear equalization using an adapted overlap-add technique. The reuse of the 64/128-point FFT hardware engine required for WLAN OFDM reception enables a very cost efficient solution. It is demonstrated in terms of demodulation performance that the new architecture is superior or at least equivalent to state-of-the art receiver architectures for all transmission modes and standards under consideration.
Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th (Volume:3 )
Date of Conference: 26-29 Sept. 2004