Broadbeam for Massive MIMO Systems

Deli Qiao; Haifeng Qian; Geoffrey Ye Li

doi:10.1109/TSP.2016.2521609

Broadbeam for Massive MIMO Systems

Deli Qiao
, Haifeng Qian
, Geoffrey Ye Li

Georgia Institute of Technology

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

45 Scopus citations

Abstract

Massive MIMO has been identified as one of the promising disruptive air interface techniques to address the huge capacity requirement of 5G wireless communications. For practical deployment of such systems, the control message needs to be broadcast to all users reliably in the cell using broadbeam. A perfect broadbeam is expected to have the same radiated power in all directions to cover users in any place in a cell. In this paper, we will show that there is no non-trivial solution for perfect broadbeam. Therefore, we develop a method for generating broadbeam that can allow tiny fluctuation in radiated power. Overall, this can serve as an ingredient for practical deployment of the massive MIMO systems.

Original language	English
Article number	7390313
Pages (from-to)	2365-2374
Number of pages	10
Journal	IEEE Transactions on Signal Processing
Volume	64
Issue number	9
DOIs	https://doi.org/10.1109/TSP.2016.2521609
State	Published - 1 May 2016

Keywords

Beam design
control channel
massive MIMO
uniform linear array (ULA)
uniform rectangular array (URA)

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10.1109/TSP.2016.2521609

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title = "Broadbeam for Massive MIMO Systems",

abstract = "Massive MIMO has been identified as one of the promising disruptive air interface techniques to address the huge capacity requirement of 5G wireless communications. For practical deployment of such systems, the control message needs to be broadcast to all users reliably in the cell using broadbeam. A perfect broadbeam is expected to have the same radiated power in all directions to cover users in any place in a cell. In this paper, we will show that there is no non-trivial solution for perfect broadbeam. Therefore, we develop a method for generating broadbeam that can allow tiny fluctuation in radiated power. Overall, this can serve as an ingredient for practical deployment of the massive MIMO systems.",

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AU - Qian, Haifeng

AU - Li, Geoffrey Ye

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AB - Massive MIMO has been identified as one of the promising disruptive air interface techniques to address the huge capacity requirement of 5G wireless communications. For practical deployment of such systems, the control message needs to be broadcast to all users reliably in the cell using broadbeam. A perfect broadbeam is expected to have the same radiated power in all directions to cover users in any place in a cell. In this paper, we will show that there is no non-trivial solution for perfect broadbeam. Therefore, we develop a method for generating broadbeam that can allow tiny fluctuation in radiated power. Overall, this can serve as an ingredient for practical deployment of the massive MIMO systems.

KW - Beam design

KW - control channel

KW - massive MIMO

KW - uniform linear array (ULA)

KW - uniform rectangular array (URA)

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Broadbeam for Massive MIMO Systems

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Keywords

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