Applying Pulse Shaping Techniques for PAPR Reduction in OFDM Systems Subject to the Constraint of Minimum Error Probability

• Main Authors: Tzung-Rung Guo, 郭宗榮
• Other Authors: Miin-Jong Hao
• Format: Others
• Language: en_US
• Published: 2005
• Online Access: http://ndltd.ncl.edu.tw/handle/13248159242138549877

碩士 === 國立高雄第一科技大學 === 電腦與通訊工程所 === 93 === An OFDM signal consists of a number of independently modulated subcarriers, which can give a large peak-to-average power ratio (PAPR). In this thesis, we focused on the techniques to reduce the PAPR values while maintain the system error probability as minimum as possible at the same time. We introduced the pulse shaping technique and showed the principles for PAPR reduction. The pulse shaping approach can be implemented by using a discrete pulse shaping matrix, which is very suitable for digital implementation. The system error probability will reach to the minimal as the shaping matrix satisfies the condition that we proposed. Our simulation results showed that the pulse shaping matrix generated by the square root of a raised cosine is an optimal solution.