DZS. has been granted a patent for a multiband MIMO dual-polarised antenna assembly featuring a nested design. The assembly includes a ground plane, dual-polarised lower and upper band antenna elements, and a dual feeding network utilizing ultra-wideband duplexers for enhanced connectivity. GlobalData’s report on DZS gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on DZS, Data center optical networking was a key innovation area identified from patents. DZS's grant share as of June 2024 was 69%. Grant share is based on the ratio of number of grants to total number of patents.
Mimo dual-polarised antenna assembly with nested arrangement
The patent US11996622B2 describes a multiband multiple input multiple output (MIMO) dual polarized antenna assembly designed for efficient performance in both lower and upper frequency bands. The assembly features a ground plane and includes at least two dual polarized lower band antenna elements positioned at opposite sides of the ground plane, which define a lower band peripheral boundary. Nested within this boundary are at least two dual polarized upper band antenna elements. The design incorporates an upper feeding network that connects opposing pairs of lower band radiating elements and a lower feeding network positioned beneath it, which utilizes ultra-wideband duplexers to facilitate feeding of the antenna elements. The assembly is structured to enhance performance while maintaining a compact profile.
Further technical details reveal that the lower band radiating elements consist of orthogonal units with folded dipoles, which are designed to provide isolation and reduce the overall profile of the antenna assembly. The upper feeding network employs co-planar microstrip lines for balanced feeding, while the duplexers are equipped with multistage filters to ensure ultra-wideband matching and low insertion loss. The upper band antenna elements are identical and include ultra-wideband dipoles, baluns, and parasitic directors, contributing to their dual polarization capabilities. The materials used for the antenna elements and feeding networks are specified as aluminum, which may enhance durability and performance. Overall, the patent outlines a sophisticated antenna assembly aimed at improving communication efficiency across multiple frequency bands.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
