Peak power reduction technique for subcarrier transmit power control applied OFDM systems

被引：0

作者：

Hashimoto, Y ^{[1
]}

Sampei, S ^{[1
]}

Morinaga, N ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, Japan

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 2003年 / E86B卷 / 07期

关键词：

OFDM; peak power reduction; PNPA; carrier-hole;

D O I：

暂无

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：

A peak power reduction technique is proposed for subcarrier transmit power control applied orthogonal frequency division multiplexing (OFDM) system. In the proposed system, carrier-holes are created by applying a partial non-power allocation (PNPA) technique in which no transmit power is allocated to subcarriers with lower received E-b/N-0, and the amplitude and phase adjusted peak reduction subcarrier (PRS) is iteratively inserted in the non-power allocated subcarrier so as to suppress peak power. Computer simulation confirms that the proposed scheme can reduce peak power by 3.6 dB while keeping the same information bit-rate with conventional subcarrier transmit power control applied OFDM systems.

引用

页码：2207 / 2210

页数：4

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