Bit-Loading Algorithms for OFDM with Adaptive Cyclic Prefix Length in PLC Channels

被引：0

作者：

D'Alessandro, Salvatore ^{[1
]}

Tonello, Andrea M. ^{[1
]}

Lampe, Lutz ^{[2
]}

机构：

[1] Univ Udine, DIEGM, I-33100 Udine, Italy

[2] Univ British Columbia, Vancouver, BC, Canada

来源：

ISPLC: 2009 IEEE INTERNATIONAL SYMPOSIUM ON POWER LINE COMMUNICATIONS AND ITS APPLICATIONS | 2008年

关键词：

Home networks; OFDM; PLC; resource allocation;

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：

The achievable rate of OFDM systems is not necessarily maximized when deploying a cyclic prefix (CP) as long as the channel impulse response. Even though for shorter CP lengths both inter-symbol and inter-carrier interference do occur, the rate gain offered by a shortened CP may exceed the losses due to interference. In this paper we address the problem of CP length adaptation and we propose practical bit-loading algorithms that include the CP adaptation.

引用

页码：177 / +

页数：2

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