Integer Linear Programming Roundoff Method for Arbitrary Planar Phased-Array Scanning

Yi Zhang; Houjun Sun; Qing Huo Liu

doi:10.1109/TAP.2019.2896734

Integer Linear Programming Roundoff Method for Arbitrary Planar Phased-Array Scanning

Yi Zhang, Houjun Sun^*, Qing Huo Liu

^*此作品的通讯作者

集成电路与电子学院

Duke University

科研成果: 期刊稿件 › 文章 › 同行评审

10 引用（Scopus）

摘要

In this paper, an approximate linear formula of the relationship between element errors and beam pointing errors in an arbitrary planar array is derived. Based on the formula, a phase feeding method is proposed. The proposed method, referred to as integer linear programming (ILP) roundoff, significantly reduces beam pointing errors by controlling the state of the digital phase shifters through ILP. Examples are given showing that a $10 \times 10$ element planar array with 5 bit digital phase shifters using this method can reduce beam pointing errors to less than 1% compared with other methods.

源语言	英语
文章编号	8630968
页（从-至）	3040-3047
页数	8
期刊	IEEE Transactions on Antennas and Propagation
卷	67
期	5
DOI	https://doi.org/10.1109/TAP.2019.2896734
出版状态	已出版 - 5月 2019

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Zhang, Y., Sun, H., & Liu, Q. H. (2019). Integer Linear Programming Roundoff Method for Arbitrary Planar Phased-Array Scanning. IEEE Transactions on Antennas and Propagation, 67(5), 3040-3047. 文章 8630968. https://doi.org/10.1109/TAP.2019.2896734

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title = "Integer Linear Programming Roundoff Method for Arbitrary Planar Phased-Array Scanning",

abstract = "In this paper, an approximate linear formula of the relationship between element errors and beam pointing errors in an arbitrary planar array is derived. Based on the formula, a phase feeding method is proposed. The proposed method, referred to as integer linear programming (ILP) roundoff, significantly reduces beam pointing errors by controlling the state of the digital phase shifters through ILP. Examples are given showing that a $10 \times 10$ element planar array with 5 bit digital phase shifters using this method can reduce beam pointing errors to less than 1% compared with other methods.",

keywords = "Beam pointing error, digital phase shifter, integer linear programming (ILP), phase feeding, phased array",

author = "Yi Zhang and Houjun Sun and Liu, {Qing Huo}",

note = "Publisher Copyright: {\textcopyright} 1963-2012 IEEE.",

year = "2019",

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doi = "10.1109/TAP.2019.2896734",

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N2 - In this paper, an approximate linear formula of the relationship between element errors and beam pointing errors in an arbitrary planar array is derived. Based on the formula, a phase feeding method is proposed. The proposed method, referred to as integer linear programming (ILP) roundoff, significantly reduces beam pointing errors by controlling the state of the digital phase shifters through ILP. Examples are given showing that a $10 \times 10$ element planar array with 5 bit digital phase shifters using this method can reduce beam pointing errors to less than 1% compared with other methods.

AB - In this paper, an approximate linear formula of the relationship between element errors and beam pointing errors in an arbitrary planar array is derived. Based on the formula, a phase feeding method is proposed. The proposed method, referred to as integer linear programming (ILP) roundoff, significantly reduces beam pointing errors by controlling the state of the digital phase shifters through ILP. Examples are given showing that a $10 \times 10$ element planar array with 5 bit digital phase shifters using this method can reduce beam pointing errors to less than 1% compared with other methods.

KW - Beam pointing error

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Integer Linear Programming Roundoff Method for Arbitrary Planar Phased-Array Scanning

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