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The Cyclic Prefix of OFDM/DMT - An Analysis

Författare:
Publiceringsår: 2002
Språk: Engelska
Publikation/Tidskrift/Serie: Proceedings of the 2002 International Zurich Seminar on Broadband Communications (IZS 2002)
Dokumenttyp: Konferensbidrag

Sammanfattning

We address the impact of a too short cyclic prefix on multicarrier systems such as orthogonal frequency division multiplexing (OFDM) and discrete multitone (DMT). The main result is that the intersymbol interference (ISI) and intercarrier interference (ICI) may be spectrally concentrated and analytical expressions showing this are given. A practical implication is, e.g., that the cyclic prefix in some xDSL systems can be surprisingly short, as shown in one example of ADSL transmission

Disputation

Nyckelord

  • Technology and Engineering

Övrigt

International Zurich Seminar on Broadband Communications, Access, Transmission, Networking
2002-02-19/2002-02-21
ETH, Zurich, Switzerland
Published
Yes

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