Beamforming with a line array mounted on an infinite rigid cylindrical baffle

Zhu, Shaohao; Yang, Yixin; Wang, Yong; He, Zhengyao; Yang, Qi

doi:10.1109/icspcc.2017.8242552

Cited by 1 publication

(2 citation statements)

References 7 publications

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“…We can obtain the correction parameter for each panel by using the coordinate information of the reference antenna and the target UE from equation (18) and apply it to transmit beams from the given multipanel array structure.…”

Section: (14)mentioning

confidence: 99%

“…Employing UCAs can overcome the drawback of degraded performance near sector boundaries by uniformly transmitting signals to all azimuth angles from circularly located antenna elements [13][14][15][16][17]. By vertically stacking the UCAs, a cylinder-type array structure can be constructed to add beam-tilting controllability over a certain range of zenith angles [18]. To expand the range of signal transmission over all azimuth and zenith angles, an array in spherical shape can be used for uniform and stable beamforming to all directions [19].…”

Section: Introductionmentioning

confidence: 99%

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3D Antenna Structures Using Uniform Triangular Arrays for Efficient Full-Directional Multiuser Transmission

Yang

Ryoo

Sung

et al. 2019

International Journal of Antennas and Propagation

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In order to increase the system capacity of the 5G mobile communication system, multiple-input multiple-output (MIMO) transmission techniques using a large-scale array over the millimeter-wave band have attracted a great amount of attention. To cope with various types of receivers expected in 5G communications such as user equipment (UE) in small cells, indoor Internet-of-Things (IoT) devices at diverse locations, and drones performing aerial navigation, newer types of antenna arrays require all-directional transmission capability. Existing antenna structures with typical panel arrays, however, have restrictions on their transmission angles in both horizontal and vertical directions. In this paper, we propose to employ three-dimensional (3D) array structures composed of multiple triangular panels for efficient massive MIMO transmission of the next-generation wireless systems. We analyze beamforming characteristics of a uniform triangular array (UTA) suitable for such 3D array configurations and present a basic codebook applicable to UTAs. Using antenna structures with multiple UTA panels, multiuser transmission performance is evaluated to demonstrate the effectiveness of the proposal.

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Section: (14)mentioning

confidence: 99%