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Carrier Frequency Offset Estimation in the Presence of I/Q Mismatch for Wideband OFDM Systems

  • Xiaolong Wang
  • Yuankun Xue
  • Liang Liu
  • Fan Ye
  • Junyan Ren
Publiceringsår: 2012
Språk: Engelska
Sidor: 924-927
Publikation/Tidskrift/Serie: IEEE 55th International Midwest Symposium on Circuits and Systems (MWSCAS), 2012
Dokumenttyp: Konferensbidrag
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


This paper presents a data-aided Carrier Frequency Offset (CFO) estimation algorithm targeting the Wideband OFDM systems. Utilizing 3 consecutive preambles and processing them at frequency domain, the algorithm is robust to both Frequency Independent (F-I) and Frequency Dependent (F-D) I/Q Mismatch (I/Q-M). To evaluate the effectiveness of the proposed CFO estimation technique, we conduct extensive simulations based on Multi-Band OFDM Ultra-Wide Band wireless transmission. Compared to the ideal case when the CFO has been perfectly estimated, the performance loss at 8% Packet Error Rate (PER) is less than 0.5 dB.


  • Electrical Engineering, Electronic Engineering, Information Engineering


55th IEEE International Midwest Symposium on Circuits & Systems (MWSCAS 2012)
  • ISBN: 978-1-4673-2526-4

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