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Performance enhancement of F-PDCH using oversampling diversity MMSE receive equalizer

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2 Author(s)
Chanho Yoon ; Sch. of Eng., Inf. & Commun. Univeristy, Daejeon, South Korea ; Joonhyuk Kang

cdma2000 1xEV-DV (1x evolution for high-speed integrated data and voice) is a high-speed wireless data packet transmission system application designed for wideband systems. In general, the system requires some form of equalization at the receiver. ISI (inter-symbol interference) caused by multipath greatly prohibits utilization of higher order modulation scheme such as 16-QAM, which is operated in relatively high SNR range. Simulations demonstrate that high-speed data transmission, under multipath fading channel without equalization, is completely impossible. In this paper, we propose an over-sampled diversity-version of receive MMSE equalizer for forward link PDCH (packet data channel) of cdma2000 1x EV-DV which successfully alleviates the effect of ISI.

Published in:

Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st  (Volume:2 )

Date of Conference:

30 May-1 June 2005