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    On Time-Interleaved Analog-to-Digital Converters for Digital Transceivers

    Soudan, Michael and Farrell, Ronan and Barrandon, Ludovic (2009) On Time-Interleaved Analog-to-Digital Converters for Digital Transceivers. In: 2009 IEEE Symposium On Circuits and Systems, 24th-27th May 2009, Taipei, Taiwan.

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    This paper presents a transceiver model that comprises two time-interleaved analog-to-digital (A/D) converter systems to sample the inphase and quadrature signals in a digital receiver. Random data is used as the information signal and quadrature modulation is employed as the modulation scheme. A polyphase filter bank is derived as a representation of the time-interleaved A/D converter system, thereby modelling its converter mismatch. Furthermore, filter bank theory is used to design reconstruction filters that mitigate aliasing and distortion and achieve matched filtering in a single post-processing scheme, therefore reducing the digital implementation complexity of the receiver. Simulations results are presented to illustrate the performance degradation due the usage of non-ideal A/D converters and to verify the propose reconstruction scheme. Finally, an analysis of the required synthesis filter complexity is presented for different error magnitudes as a guideline for the filter bank design.

    Item Type: Conference or Workshop Item (Paper)
    Academic Unit: Faculty of Science and Engineering > Electronic Engineering
    Item ID: 1454
    Depositing User: Ronan Farrell
    Date Deposited: 23 Jun 2009 14:52
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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