Comparison of two adaptive equalizers DFE and ACE

Inseop Lee, William Kenneth Jenkins

    Research output: Contribution to journalConference article

    2 Citations (Scopus)

    Abstract

    As mobile computing increases in popularity, inter-symbol interference (ISI) becomes more significant as one of the fundamental performance limitations in wireless communications. In this paper, we compare a modified structure for a decision feedback equalizer (DFE), called the adaptive canceler-equalizer (ACE), with the original DFE using finite-length filters. These two structures have different filter characteristics during training with finite-length filters. The performance of the ACE is shown to be better than either linear equalizers or decision-feedback equalizers for some channel environments.

    Original languageEnglish (US)
    JournalProceedings - IEEE International Symposium on Circuits and Systems
    Volume4
    StatePublished - Jan 1 1999
    EventProceedings of the 1999 IEEE International Symposium on Circuits and Systems, ISCAS '99 - Orlando, FL, USA
    Duration: May 30 1999Jun 2 1999

    Fingerprint

    Decision feedback equalizers
    Equalizers
    Mobile computing
    Communication

    All Science Journal Classification (ASJC) codes

    • Electrical and Electronic Engineering

    Cite this

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    Comparison of two adaptive equalizers DFE and ACE. / Lee, Inseop; Jenkins, William Kenneth.

    In: Proceedings - IEEE International Symposium on Circuits and Systems, Vol. 4, 01.01.1999.

    Research output: Contribution to journalConference article

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    N2 - As mobile computing increases in popularity, inter-symbol interference (ISI) becomes more significant as one of the fundamental performance limitations in wireless communications. In this paper, we compare a modified structure for a decision feedback equalizer (DFE), called the adaptive canceler-equalizer (ACE), with the original DFE using finite-length filters. These two structures have different filter characteristics during training with finite-length filters. The performance of the ACE is shown to be better than either linear equalizers or decision-feedback equalizers for some channel environments.

    AB - As mobile computing increases in popularity, inter-symbol interference (ISI) becomes more significant as one of the fundamental performance limitations in wireless communications. In this paper, we compare a modified structure for a decision feedback equalizer (DFE), called the adaptive canceler-equalizer (ACE), with the original DFE using finite-length filters. These two structures have different filter characteristics during training with finite-length filters. The performance of the ACE is shown to be better than either linear equalizers or decision-feedback equalizers for some channel environments.

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