Guard Interval Adaptation for In-home Power Line CommunicationReport as inadecuate




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1 SC - Département Signal et Communications 2 Lab-STICC - Laboratoire des sciences et techniques de l-information, de la communication et de la connaissance 3 Lab-STICC TB CACS COM Lab-STICC - Laboratoire des sciences et techniques de l-information, de la communication et de la connaissance 4 Lab-STICC TB CID TOMS Lab-STICC - Laboratoire des sciences et techniques de l-information, de la communication et de la connaissance 5 Orange Labs - Cesson-Sévigné Orange

Abstract : This paper aims to analyze the choice of the guard interval GI length in PLC systems to optimize the achievable throughput under power and symbol error-rate SER constraints. In general, the GI length is chosen so that there is no interference, i.e. the GI length is greater than or equal to the channel impulse response length. However, many previous works have shown that in PLC systems, this GI choice is inefficient in terms of achievable throughput. Indeed, shorter GI evidently results in inter-symbol interference ISI and intercarrier interference ICI, but the gain offered by shortened GI may exceed the loss caused by interference. In this paper, we propose a simple solution for the GI length adaptation in PLC systems to optimize the achievable throughput.





Author: Thanh Nhân Vo - Karine Amis Cavalec - Thierry Chonavel - Pierre Siohan -

Source: https://hal.archives-ouvertes.fr/



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