Orthogonal beam codebook based hybrid precoding algorithm for mmWave MIMO system

Weiting ZHAO; Dongliang XIA

doi:10.11959/j.issn.1000−0801.2017216

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Orthogonal beam codebook based hybrid precoding algorithm for mmWave MIMO system

research and development | 更新时间：2024-06-05

- Orthogonal beam codebook based hybrid precoding algorithm for mmWave MIMO system
- Telecommunications Science Vol. 33, Issue 7, Pages: 47-52(2017)
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- DOI：10.11959/j.issn.1000−0801.2017216
  CLC： TN911
- Published Online：2017-07，
  
  Published：20 July 2017
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Weiting ZHAO, Dongliang XIA. Orthogonal beam codebook based hybrid precoding algorithm for mmWave MIMO system[J]. Telecommunications science, 2017, 33(7): 47-52.
DOI：

Weiting ZHAO, Dongliang XIA. Orthogonal beam codebook based hybrid precoding algorithm for mmWave MIMO system[J]. Telecommunications science, 2017, 33(7): 47-52. DOI： 10.11959/j.issn.1000−0801.2017216.

摘要

由于毫米波混频器件的高成本和高功耗，传统MIMO系统的数字预编码技术面临硬件复杂度过高的缺点，因而模数混合预编码吸引了学术界和工业界的广泛关注。基于此，提出了一种基于正交码本的模数混合预编码算法，该算法利用模拟波束成形码本的正交性，并行地设计各个射频链路的波束成形向量，显著降低了传统混合预编码设计中正交匹配追踪算法的计算复杂度，从而降低了硬件实现的复杂度。

Abstract

Due to the high cost and power consumption of some mixed signal components at mmWave frequencies

the conventional full digital precoding technique encounters the problem of high hardware complexity.Consequently

the hybrid analog-digital precoding architecture has attracted the attentions from both academy and industry.Based on this

an orthogonal beam codebook based hybrid precoding algorithm for mmWave MIMO systems was proposed

which utilized the orthogonality of beam codebook to design the analog beamforming vector of each radio frequency (RF) chain in parallel.As a result

the large computational complexity of the conventional orthogonal matching pursuit (OMP) algorithm and the hardware complexity could be greatly reduced.

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references

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