L. Wang and C. Tellambura (Canada)
Modulation, OFDM, PAR Reduction, Adaptive Mapping
We propose a PAR reduction technique for OFDM systems. By adaptively mapping an M-point constellation to a 2M point constellation, this technique can obtain extra freedom to reduce the PAR. This technique does not require any side information at the receiver, which is a great advan tage compared to other techniques. In this paper, a recur sive partial sequence method is also proposed to find a sub optimal solution with significantly lowered computational complexity. Simulations show that the proposed technique can significantly reduce the PAR, and its performance is better than the PTS technique.
Important Links:
Go Back
