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

共 48 条

[1] Bit, Tone and Cyclic Prefix Allocation in OFDM with Application to In-Home PLC
Tonello, Andrea M.
D'Alessandro, Salvatore
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2008 1ST IFIP WIRELESS DAYS (WD), 2008, : 95 - +
[2] Mutual-information-based adaptive bit-loading algorithms for LDPC-coded OFDM
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[3] A novel OFDM transmission scheme with length-adaptive Cyclic Prefix
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[5] Bit-loading algorithms and SNR estimate for HomePlug AV
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[7] Cyclic Prefix Design and Allocation in Bit-Loaded OFDM over Power Line Communication Channels
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[9] On the Design of Cyclic Prefix Length for Time-Reversed OFDM
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[10] Analysis of the Impact of AGC on Cyclic Prefix Length for OFDM Systems
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