Low-complexity Orthogonal N-continuous Precoding for Sidelobe Suppression of OFDM Signals

被引：0
|
作者：
Kawasaki, Hikaru [1 ]
Matsumura, Takeshi [1 ]
Ishizu, Kentaro [1 ]
Kojima, Fumihide [1 ]
机构：
[1] Natl Inst Informat & Commun Technol, Wireless Networks Res Ctr, Wireless Syst Lab, 3-4 Hikarino Oka, Yokosuka, Kanagawa 2390847, Japan
来源：
2019 22ND INTERNATIONAL SYMPOSIUM ON WIRELESS PERSONAL MULTIMEDIA COMMUNICATIONS (WPMC) | 2019年
关键词：
OFDM; spectral precoding; spectrum shaping; out-of-band radiation; sidelobe suppression;
D O I：
10.1109/wpmc48795.2019.9096194
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we propose a novel orthogonal precoding based on an efficient decomposed precoder on the real-domain for a successive N-continuous scheme to suppress sidelobes in OFDM systems. Novel theoretical analyses justify its performance, which parallel to that of related precoding schemes. In conclusion, the proposed scheme remarkably reduces the conventional precoding's complexity to a level matching that of FFT for OFDM use through its application of 2.8 % storage overhead while keeping all its inherent advantages such as fast decay of band-edges, and ideal error rate.
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页数：6
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