摘要
OFDM系统高峰均比是其在实际应用中的一个瓶颈。依据实际系统中算法复杂度和实现可行性要求,使用预畸变类技术降低系统峰均比,降低了算法复杂度,提高了可实施性,同时获得可靠的系统误码率性能。仿真结果表明,该方法能有效降低任意子载波数据的OFDM信号的PAPR,而且与其他方法相比应用更为简单。
High peak-to-average power ratio （PAPR） of OFDM is a bottleneck of its realization. According to request of complexity and feasibility in real actual system, this paper proposes the algorithm based on signal pre-aberranee for PAPR reduction in real OFDM system, which reduce the complexity of algorithm and satisfy the real-time requirement. It is shown by computer of carriers and its implementation complexity is much low in comparison to the previous methods.
出处
《电子技术应用》
北大核心
2010年第1期88-90,共3页
Application of Electronic Technique
基金
国家"863"计划项目(2007AA01Z431)
关键词
OFDM系统
峰均功率比
互补累积分布函数
OFDM system
peak-to-average power ratio （PAPR）
complementary cumulate distribute funetion（CCDF）
