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Joint interleaving and phase rotation approach to reduce PAR and using blind detection in OFDM systems

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4 Author(s)
Liu Sheng-mei ; Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China ; Chun-ming Zhao ; Li Can-wei ; Xiao-Hu You

This paper presents a blind detection implementation method for the IPR-OFDM (interleaving and phase rotation-orthogonal frequency division multiplexing) system described in Sheng-mei et al. (2004). The IPR approach uses V interleavers to produce V permutations of the input data frame and one novel phase rotation vector called SPI (side phase of IFFT) to multiply the V permuted sequences, and then the frame with the lowest PAR is chosen for transmission. To perform de-interleaving, the receiver must know the interleaving order in the transmitter. In Sheng-mei et al. (2004), the SI (side information) is used to implement it. In this paper, a blind detection approach is proposed to get the order.

Published in:

Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th  (Volume:7 )

Date of Conference:

26-29 Sept. 2004