Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication

Zhenyu Xiao, Tong He, Pengfei Xia, Xiang Gen Xia

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Abstract

In millimeter-wave communication, large antenna arrays are required to achieve high power gain by steering toward each other with narrow beams, which poses the problem to efficiently search the best beam direction in the angle domain at both Tx and Rx sides. As the exhaustive search is time consuming, hierarchical search has been widely accepted to reduce the complexity, and its performance is highly dependent on the codebook design. In this paper, we propose two basic criteria for the hierarchical codebook design, and devise an efficient hierarchical codebook by jointly exploiting sub-array and deactivation (turning-off) antenna processing techniques, where closed-form expressions are provided to generate the codebook. Performance evaluations are conducted under different system and channel models. Results show superiority of the proposed codebook over the existing alternatives.

Original languageEnglish
Article number7390101
Pages (from-to)3380-3392
Number of pages13
JournalIEEE Transactions on Wireless Communications
Volume15
Issue number5
DOIs
Publication statusPublished - May 2016
Externally publishedYes

Keywords

  • Millimeter wave communication
  • beamforming
  • codebook design
  • hierarchial search
  • mmWave

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Xiao, Z., He, T., Xia, P., & Xia, X. G. (2016). Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication. IEEE Transactions on Wireless Communications, 15(5), 3380-3392. Article 7390101. https://doi.org/10.1109/TWC.2016.2520930