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
收藏
页码：177 / +
页数：2
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