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Concepts for DMT Transmission with Dynamic Carrier Allocation
Bauer, Carsten
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Schwarz, Johannes
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URL:
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http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumbe...
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Document Type:
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Conference or workshop publication
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Year of publication:
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2004
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Book title:
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ISCCSP 2004 : First International Symposium on Control, Communications, and Signal Processing : 21-24 March, 2004, Hammamet, Tunesia ; [proceedings]
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The title of a journal, publication series:
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ISCCSP 2004 : First International Symposium on Control, Communications, and Signal Processing : 21-24 March, 2004, Hammamet, Tunesia
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Page range:
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381-384
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Place of publication:
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Piscataway, NJ [u.a.]
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Publishing house:
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IEEE Operations Center
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ISBN:
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0-7803-8379-6
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Publication language:
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English
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Institution:
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School of Business Informatics and Mathematics > Elektrotechnik (Fliege Em)
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Subject:
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004 Computer science, internet
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Abstract:
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Recently, Multi-Carrier Modulation (MCM) systems have become|quite popular due to many advantages. One of the most important|features of Discrete Multi-Tone (DMT) systems is rate adaptability,|and the maximum data rate for an existing loop can be easily|determined by means of adaptive loading algorithms. However,|time-variant disturbers, e.g. narrow band interference, can lead|to a significant performance loss which may be counteracted by|decreasing the data rate. Yet dynamic rate adaption is difficult|as higher protocol layers are concerned. In this paper we present|system concepts for dynamic carrier allocation and seamless rate|adaption to mitigate the introduced performance degradation. This|includes strategies for bit swapping to maintain the current data|rate as well as dynamic rate adaption. Protocols for robust and fast exchange of allocation tables between receiver and transmitter will be presented.
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 | Dieser Eintrag ist Teil der Universitätsbibliographie. |
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