Multi-Beam Multiplexing Design for Arbitrary Directions Based on the Interleaved Subarray Architecture

Junwei Zhang; Wei Liu; Chao Gu; Steven Shichang Gao; Qi Luo

doi:10.1109/tvt.2020.3008535

Multi-Beam Multiplexing Design for Arbitrary Directions Based on the Interleaved Subarray Architecture

Junwei Zhang, Wei Liu, Chao Gu, Steven Shichang Gao, Qi Luo

School of Electronics, Electrical Engineering and Computer Science

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

88 Downloads (Pure)

Abstract

Through a common set of analogue coefficients and a simple digital coding scheme in the form of ones and minus ones, a previous technique can only multiplex two beams whose directions satisfy a fixed relationship. In this work, two novel designs are proposed, which together with the corresponding inter-subarray coding schemes, can achieve multi-beam multiplexing for arbitrary directions to serve corresponding users. In the first design, based on the relationship of directions between the two required beams, the adjacent antenna spacing is regarded as a variable to be determined, while in the second design, the adjacent antenna spacing is fixed and an alternate optimisation procedure is proposed to solve the problem based on a least-square formulation. Designed examples based on uniform linear arrays and uniform planar arrays are provided to demonstrate the effectiveness of the proposed methods.

Original language	English
Article number	9138782
Pages (from-to)	11220-11232
Number of pages	13
Journal	IEEE Transactions on Vehicular Technology
Volume	69
Issue number	10
Early online date	10 Jul 2020
DOIs	https://doi.org/10.1109/tvt.2020.3008535
Publication status	Published - 22 Oct 2020

Bibliographical note

Funding Information:
Manuscript received February 16, 2020; revised May 28, 2020 and July 2, 2020; accepted July 5, 2020. Date of publication July 10, 2020; date of current version October 22, 2020. The review of this article was coordinated by Dr. C. Yuen. This work was partially supported by the U.K. Engineering and Physical Sciences Research Council (No. EP/T517215/1). (Corresponding author: Wei Liu.) Junwei Zhang and Wei Liu are with the Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield S13JD, U.K. (e-mail: jzhang96@sheffield.ac.uk; w.liu@sheffield.ac.uk).

Publisher Copyright:
© 1967-2012 IEEE.

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

adjacent antenna spacing
arbitrary directions
beam multiplexing
inter-subarray coding
Interleaved subarray architecture

ASJC Scopus subject areas

Automotive Engineering
Aerospace Engineering
Electrical and Electronic Engineering
Applied Mathematics

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10.1109/tvt.2020.3008535Licence: Unspecified

Multi-Beam Multiplexing Design for Arbitrary Directions Based on the Interleaved Subarray Architecture
Copyright 2020 IEEE. This work is made available online in accordance with the publisher’s policies. Please refer to any applicable terms of use of the publisher.
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Cite this

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title = "Multi-Beam Multiplexing Design for Arbitrary Directions Based on the Interleaved Subarray Architecture",

abstract = "Through a common set of analogue coefficients and a simple digital coding scheme in the form of ones and minus ones, a previous technique can only multiplex two beams whose directions satisfy a fixed relationship. In this work, two novel designs are proposed, which together with the corresponding inter-subarray coding schemes, can achieve multi-beam multiplexing for arbitrary directions to serve corresponding users. In the first design, based on the relationship of directions between the two required beams, the adjacent antenna spacing is regarded as a variable to be determined, while in the second design, the adjacent antenna spacing is fixed and an alternate optimisation procedure is proposed to solve the problem based on a least-square formulation. Designed examples based on uniform linear arrays and uniform planar arrays are provided to demonstrate the effectiveness of the proposed methods.",

keywords = "adjacent antenna spacing, arbitrary directions, beam multiplexing, inter-subarray coding, Interleaved subarray architecture",

author = "Junwei Zhang and Wei Liu and Chao Gu and Gao, {Steven Shichang} and Qi Luo",

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N1 - Funding Information: Manuscript received February 16, 2020; revised May 28, 2020 and July 2, 2020; accepted July 5, 2020. Date of publication July 10, 2020; date of current version October 22, 2020. The review of this article was coordinated by Dr. C. Yuen. This work was partially supported by the U.K. Engineering and Physical Sciences Research Council (No. EP/T517215/1). (Corresponding author: Wei Liu.) Junwei Zhang and Wei Liu are with the Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield S13JD, U.K. (e-mail: jzhang96@sheffield.ac.uk; w.liu@sheffield.ac.uk). Publisher Copyright: © 1967-2012 IEEE. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

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N2 - Through a common set of analogue coefficients and a simple digital coding scheme in the form of ones and minus ones, a previous technique can only multiplex two beams whose directions satisfy a fixed relationship. In this work, two novel designs are proposed, which together with the corresponding inter-subarray coding schemes, can achieve multi-beam multiplexing for arbitrary directions to serve corresponding users. In the first design, based on the relationship of directions between the two required beams, the adjacent antenna spacing is regarded as a variable to be determined, while in the second design, the adjacent antenna spacing is fixed and an alternate optimisation procedure is proposed to solve the problem based on a least-square formulation. Designed examples based on uniform linear arrays and uniform planar arrays are provided to demonstrate the effectiveness of the proposed methods.

AB - Through a common set of analogue coefficients and a simple digital coding scheme in the form of ones and minus ones, a previous technique can only multiplex two beams whose directions satisfy a fixed relationship. In this work, two novel designs are proposed, which together with the corresponding inter-subarray coding schemes, can achieve multi-beam multiplexing for arbitrary directions to serve corresponding users. In the first design, based on the relationship of directions between the two required beams, the adjacent antenna spacing is regarded as a variable to be determined, while in the second design, the adjacent antenna spacing is fixed and an alternate optimisation procedure is proposed to solve the problem based on a least-square formulation. Designed examples based on uniform linear arrays and uniform planar arrays are provided to demonstrate the effectiveness of the proposed methods.

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Multi-Beam Multiplexing Design for Arbitrary Directions Based on the Interleaved Subarray Architecture

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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