Wireless LAN White Papers
An Analysis of OFDM Peak Power Reduction Techniques for WiMAX Systems
Overview The main drawback of Orthogonal Frequency Division Multiplexing (OFDM) systems is the high Peak-to-Average Power Ratio (PAPR), which significantly reduces the efficiency of the transmit High Power Amplifier (HPA). Several methods have been proposed in the literature to reduce the peak power of OFDM signals and substantial gains were reported. In this paper, the effectiveness of some recently proposed methods is evaluated for WiMAX systems. Using typical HPA models and spectral masks, these PAPR reduction methods are evaluated in terms of the total system degradation.
| Publisher | Sequans | File Format | |
|---|---|---|---|
| Date Published | February 2006 | ||
| Format | White Papers | ||
| Topics | |||
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