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Synchronization Control and Compensation of STO and CFO by Sub-Sampling Method

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Convergence and Hybrid Information Technology (ICHIT 2012)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 310))

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Abstract

In uplink orthogonal frequency division multiple access (OFDMA) systems, available subcarriers are divided into groups and assigned to multiple uses for simultaneous transmissions. The ideal universal receiver sampling the incoming signals just after a RF stage is very seducing but not realistic at this time due to limitations in sampling capabilities for high frequency systems. Software-defined radio (SDR) principles have attracted more and more attention. As one way, using sub-sampling technique can convert multi-bands signals from RF band to IF band without oscillator. But as the filter performance in RF band, signals converted in low band possibly cause interference and degrades performance. In this paper, we propose one method that uses time division multiplexing (TDM) method as a solution to avoid interference. Combining TDM with sub-sampling at the same can get signals without large changes from the existing structures.

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Author information

Authors and Affiliations

  1. Department of Electronic Engineering, Chungbuk National University, Cheongju, Korea, 361-763

    Xin Wang & Heung-Gyoon Ryu

Authors
  1. Xin Wang
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  2. Heung-Gyoon Ryu
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Editor information

Editors and Affiliations

  1. Department of Computer Engineering, Hannam University, 70 Hannamro, Daedeuk-gu, Daejeon, Korea

    Geuk Lee

  2. Computer Science and Information Systems, University of Limerick, Limerick, Ireland

    Daniel Howard

  3. University of Warsaw and Infobright Inc., Poland

    Dominik Ślęzak

  4. School of Information and Communication Engineering, Sang JI University, Wonju, Kangwon, Korea

    You Sik Hong

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© 2012 Springer-Verlag Berlin Heidelberg

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Wang, X., Ryu, HG. (2012). Synchronization Control and Compensation of STO and CFO by Sub-Sampling Method. In: Lee, G., Howard, D., Ślęzak, D., Hong, Y.S. (eds) Convergence and Hybrid Information Technology. ICHIT 2012. Communications in Computer and Information Science, vol 310. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-32692-9_6

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  • DOI: https://doi.org/10.1007/978-3-642-32692-9_6

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-32691-2

  • Online ISBN: 978-3-642-32692-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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