Blind I/Q Imbalance Compensation in Wideband Communication Systems

2012 Fiscal Year Final Research Report

• Project/Area Number: 23760342
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Communication/Network engineering
• Research Institution: Osaka Prefecture University
• Principal Investigator: LIN Hai 大阪府立大学, 大学院・工学研究科, 准教授 (40336805)
• Project Period (FY): 2011 – 2012
• Keywords: 通信方式(無線、有線、衛星、光、移動)

Research Abstract

This research focused on low-cost and high-performance receiver in wideband communication systems. In particular, we studied I/Q imbalance caused by low-cost components in direct-conversion receivers and developed low-complexity blind compensation methods.

Research Products

• [Journal Article] Time domain blind I/Q imbalance compensation based on real-valued filter (2012)
  • Author(s): H.Lin, K.Yamashita
  • Journal Title: IEEE Trans. Wireless Commun Volume: vol.11 Pages: 4342-4350
  • Peer Reviewed
• [Journal Article] Frequency offset and I/Q imbalance estimation for orthogonal frequency division multiplexing based wireless local area networks (2012)
  • Author(s): H.Lin, T.Onishi, R.Kume, K.Yamashita
  • Journal Title: hysical Communication Volume: vol.5 Pages: 209-216
  • Peer Reviewed
• [Presentation] Blind frequency-dependent I/Q imbalance compensation using system identification (2012)
  • Author(s): H.Lin, and K.Yamashita
  • Organizer: IEEE GLOBECOM 2011
  • Place of Presentation: アメリカ
  • Year and Date: 2012-12-07
• [Presentation] Semi-Blind CoMP system with Multiple-CFO estimation and ICA based equalization (2012)
  • Author(s): Y. Jiang, X.Zhu, E.Lim, H.Lin, and Y.Huang
  • Organizer: IEEE GLOBECOM 2012
  • Place of Presentation: アメリカ
  • Year and Date: 2012-12-05
• [Presentation] Repeated preamble based carrier frequency offset estimation in the presence of I/Q imbalance (2012)
  • Author(s): R.Kume, H.Lin, and K.Yamashita
  • Organizer: IEEE ICC 2012
  • Place of Presentation: カナダ
  • Year and Date: 2012-06-14
• [Presentation] Blind OFDM carrier frequency offset estimation in the presence of DC offset (2011)
  • Author(s): T.Onishi, M.Hossain, H.Lin, K.Yamashita
  • Organizer: IEEE WiMob 2011
  • Place of Presentation: 中国
  • Year and Date: 2011-10-12
• [Patent(Industrial Property Rights)] I/Q インバランス補償方法および I/Qインバランスを補償する複素複調器と受信装置 (2011)
  • Inventor(s): 林海、山下勝己
  • Industrial Property Rights Holder: 大阪府立大学
  • Industrial Property Number: 特願 2011-265271
  • Filing Date: 2011-12-02