Directed selected mapping for peak-to-average power ratio reduction in MIMO OFDM

被引：29
|
作者：
Fischer, R. F. H. [1 ]
Hoch, M. [1 ]
机构：
[1] Univ Erlangen Nurnberg, Lehrstuhl Informat Subertragung, D-91058 Erlangen, Germany
来源：
ELECTRONICS LETTERS | 2006年 / 42卷 / 22期
关键词：
D O I：
10.1049/el:20062668
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Peak-to-average power ratio (PAR) reduction in OFDM using antenna arrays (MIMO OFDM) is considered. In particular, a generalisation of selected mapping (SLM), called directed SLM (dSLM), is introduced. It is shown that, in contrast to schemes proposed in the literature, dSLM utilises the potential offered by MIMO transmission. As a result, the complementary distribution function of the PAR exhibits a steeper decay, increased by a factor equal to the number of transmit antennas. This effect is similar to the diversity gain in error performance when using MIMO transmission.
引用
收藏
页码：1289 / 1290
页数：2
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