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Receiver IQ Imbalance Estimation via Pure Noise for 60 GHz Systems

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Abstract

This paper proposes to estimate receiver (RX) IQ imbalance via pure noise for 60 GHz millimeter-wave systems. We study the impact of RX IQ imbalance on noise, and derive the maximum-likelihood algorithm to acquire the imbalance parameters, which is decoupled from transmitter IQ imbalance, channel response, and carrier offset. Also, the proposed method has low computational complexity and meets the low-power and low-cost requirements of 60 GHz systems. Moreover, the jitter performance of the estimation reaches the corresponding Cramer–Rao lower bound under a wide range of imbalance parameters.

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Authors and Affiliations

  1. Department of Electronic Engineering, Tsinghua University, Beijing , 100084, China

    Changming Zhang, Bo Gao, Li Su & Depeng Jin

  2. School of Electronic and Information Engineering, Beihang University, Beijing , 100191, China

    Zhenyu Xiao

Authors
  1. Changming Zhang
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  2. Zhenyu Xiao
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  3. Bo Gao
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  4. Li Su
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  5. Depeng Jin
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Corresponding author

Correspondence to Zhenyu Xiao.

Additional information

This work was partially supported by the National Natural Science Foundation of China (NSFC) under Grant No. 61201189 and 61132002, the Creative Research Groups of NSFC under Grant No. 61021001, the National S&T Major Project under No. 2011ZX03004-001-01, National High Tech (863) Projects under Grant No. 2011AA010202, and Research Fund of Tsinghua University under No. 2011Z05117 and 20121087985.

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Zhang, C., Xiao, Z., Gao, B. et al. Receiver IQ Imbalance Estimation via Pure Noise for 60 GHz Systems. Wireless Pers Commun 75, 915–924 (2014). https://doi.org/10.1007/s11277-013-1397-0

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  • DOI: https://doi.org/10.1007/s11277-013-1397-0

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