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    A low-complexity method for the design of low-delay cosine-modulated filter banks

    Access Status
    Fulltext not available
    Authors
    Wu, Changzhi
    Date
    2010
    Type
    Conference Paper
    
    Metadata
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    Citation
    Wu, C. 2010. A low-complexity method for the design of low-delay cosine-modulated filter banks, pp. 69-72.
    Source Title
    1st International Conference on Green Circuits and Systems, ICGCS 2010
    DOI
    10.1109/ICGCS.2010.5543093
    ISBN
    9781424468775
    School
    School of Built Environment
    URI
    http://hdl.handle.net/20.500.11937/9059
    Collection
    • Curtin Research Publications
    Abstract

    We present a new method for the design of the cosine-modulated filter bank with low complexity and low delay. The design of such a filter bank is formulated as a nonconvex optimization problem with equality constraints. An iterative scheme is developed to solve this optimization problem. To illustrate the effectiveness of the proposed method, a numerical example is presented. Comparing our method with that in [14], our approach can reduce the number of filter taps by up to 40 % while maintaining a relatively low delay. © 2010 IEEE.

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