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[ "赵伟艇(1966−),男,平顶山学院教授,主要研究方向为计算机网络。" ]
[ "夏栋梁(1981−),男,平顶山学院讲师,主要研究方向为计算机网络。" ]
网络出版日期:2017-07,
纸质出版日期:2017-07-20
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赵伟艇, 夏栋梁. 毫米波MIMO系统中基于正交码本的模数混合预编码算法[J]. 电信科学, 2017,33(7):47-52.
Weiting ZHAO, Dongliang XIA. Orthogonal beam codebook based hybrid precoding algorithm for mmWave MIMO system[J]. Telecommunications science, 2017, 33(7): 47-52.
赵伟艇, 夏栋梁. 毫米波MIMO系统中基于正交码本的模数混合预编码算法[J]. 电信科学, 2017,33(7):47-52. DOI: 10.11959/j.issn.1000−0801.2017216.
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.
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。
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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