A powerful and real time PAPR reduction process for energy efficiency improvement in OFDM communication systems

被引:0
|
作者
Lanoiselee, Marc [1 ]
Lin, Hao [1 ]
机构
[1] Orange Labs, F-35512 Cesson Sevigne, France
来源
2014 11TH INTERNATIONAL SYMPOSIUM ON WIRELESS COMMUNICATIONS SYSTEMS (ISWCS) | 2014年
关键词
Energy efficiency; OFDM; PAPR reduction;
D O I
暂无
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
The PAPR issue has been identified as an important drawback of OFDM systems, which leads to a low energy efficiency in transmission. To overcome it, many PAPR reduction techniques have been studied; in this paper we propose a new method that provides already excellent results regards to state of the art and has also a high degree of flexibility for hardware implementation. This method relies on a Pre Constructed Temporal Signal algorithm, which can reduce the PAPR of an OFDM symbol by modifying the mapping of the subcarriers in a generalized manner. This process can be applied for current standards without any implementation difficulties for FFT sizes up to 8K; it could also be applied without any signal disturbance for future standards using any constellation orders.
引用
收藏
页码:159 / 164
页数:6
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