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A unified design of channel coding for LTE uplink control information

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Abstract

There are three kinds of channel coding schemes for uplink control information (UCI) with different sizes in long term evolution (LTE) system: the block codes with length of 20 and 30 bits as well as tail-biting convolutional code (TBCC) with rate of 1/3. To reduce complexity, a unified design of 1/5 TBCC using two-level puncture is proposed for all different sizes of UCI in this paper. Compared with LTE design, the proposed design is much simpler since there is only one channel encoding scheme in user equipment (UE) and only one decoding algorithm in base station. In addition, the first three generators of the proposed 1/5 TBCC are the same as that of the TBCC in LTE, thus the proposed design is backwards compatible with the original design in LTE. Simulation results show that the frame error rate performance of the proposed two-level punctured TBCC is close to or even better than that of the original block codes with lower decoding complexity.

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Acknowledgments

This work was supported by the Natural Science Foundation of China under Grant (51274018), the National Science and Technology Pillar Program (2013BAK06B03), and Korea Research Council for Industrial Science and Technology (B551179-12-07-00).

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Authors and Affiliations

  1. School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, 100044, China

    Wei Yang, Linyuan Zhang & Zhenhua Yang

  2. National Mobile Communications Research Laboratory, Southeast University, Nanjing, 210096, China

    Wei Yang & Changlong Xu

  3. Wireless System Research Group, Electronics and Telecommunications Research Institute, Taejon, 350-350, Korea

    Young-Il Kim

Authors
  1. Wei Yang
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  2. Linyuan Zhang
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  3. Zhenhua Yang
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  4. Changlong Xu
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Correspondence to Linyuan Zhang.

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Yang, W., Zhang, L., Yang, Z. et al. A unified design of channel coding for LTE uplink control information. Wireless Netw 21, 1661–1667 (2015). https://doi.org/10.1007/s11276-014-0879-7

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  • DOI: https://doi.org/10.1007/s11276-014-0879-7

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