# US 10,320,092 B2 · Modular unit cell construction for a high performance, low profile (HPLP) telecommunications antenna > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,320,092 B2 - Document ID: US10320092B2 - Status: Granted - Kind: B2 - Application number: 15/664,674 - Filed: 2017-07-31 - Published: 2018-02-01 - Granted: 2019-06-11 - Earliest claimed: 2016-07-29 - Assignees: John Mezzalingua Associates, Inc. - Applicants: John Mezzalingua Associates, LLC - Inventors: Kevin T. Le; Lance D. Bamford; Taehee Jang; Evan C. Wayton; Cody J. Anderson; Jordan Ragos; Niranjan Sundararajan - Web page: https://patentgrep.com/patent/US10320092B2 ## CPC - H01Q 21/10: Collinear arrangements of substantially straight elongated conductive units - H01Q 1/24: with receiving set - H01Q 1/246: {specially adapted for base stations} - H01Q 1/38: formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142)} - H01Q 1/42: Housings not intimately mechanically associated with radiating elements, e.g. radome - H01Q 1/52: Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure (absorbing means H01Q17/00) - H01Q 1/523: {between antennas of an array} - H01Q 5/30: Arrangements for providing operation on different wavebands - H01Q 5/42: using two or more imbricated arrays (H01Q5/49 takes precedence) - H01Q 9/04: Resonant antennas - H01Q 9/30: with feed to end of elongated active element, e.g. unipole (H01Q9/44 takes precedence) - H01Q 15/0013: {said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective} - H01Q 15/246: {rotating the plane of polarisation of a linear polarised wave (guided wave H01P1/165)} - H01Q 21/26: Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre - H01Q 21/30: Combinations of separate antenna units operating in different wavebands and connected to a common feeder system - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A unit cell for an antenna comprises a conductive ground plane, a low-band radiator, a pair of high-band radiators, and a conductive partition disposed along an edge intersecting a pitch axis of the conductive ground plane. The low-band radiator comprises a pair of orthogonally coupled dipoles each having a vertical stem portion and an arm portion. Each arm disposed in a plane orthogonal to the conductive ground plane. The arm portions, collectively and on-edge, produce an L-shaped radiator parallel to the conductive ground plane. Each of the high band radiators comprises a pair of cruciform radiators, each cruciform electrically connected to, spaced-apart from, and parallel to the conductive ground plane. The conductive partition isolates at least a portion of the RF energy transmitted by the low and high-band radiators. ## Claims ### Claim 1 An antenna, comprising: at least two adjacent unit cells having a conductive ground plane defining a pitch axis disposed along the length of the antenna each unit cell including: a low band radiator comprising a pair of orthogonally coupled dipoles, each of the dipoles having a vertical stem portion and an arm portion, each arm portion disposed in a plane orthogonal to the conductive ground plane, the arm portions, collectively and on-edge, producing an L-shaped radiator parallel to the plane of the conductive ground plane; and, a high band radiator, each radiator comprising a pair of cruciform radiators, each cruciform radiator electrically connected, spaced apart from, and disposed parallel to the conductive ground plane, wherein one of the low and high band radiators define an offset spacing and wherein the offset spacing varies from one unit cell to the adjacent unit cell. ### Claim 2 (depends on 1) The antenna of claim 1 wherein the vertical stem projects orthogonally from the ground plane. ### Claim 3 (depends on 1) The antenna of claim 1 wherein the at least one arm portion is disposed at least partially between the cruciform radiators of the high band radiators. ### Claim 4 (depends on 1) The antenna of claim 1 wherein the at least one arm portion bifurcates the cruciform radiators of a high band radiator. ### Claim 5 (depends on 1) The antenna of claim 1 further comprising a pair of low-band radiators and two pairs of high band radiators. ### Claim 6 (depends on 5) The antenna of claim 5 wherein the L-shaped low-band radiators are face-to-face. ### Claim 7 (depends on 6) The antenna of claim 6 wherein the pair of cruciform radiators are disposed inboard of the face-to-face L-shaped low-band radiators relative to the pitch axis. ### Claim 8 (depends on 6) The antenna of claim 6 wherein the pair of cruciform radiators are disposed outboard of the back-to-back L-shaped low-band radiators relative to the pitch axis. ### Claim 9 (depends on 5) The antenna of claim 5 wherein L-shaped low-band radiators are back-to-back. ### Claim 10 (depends on 1) The antenna of claim 1 wherein one of the arm portions of the low band radiator includes a plurality of low-band radiator elements, and wherein each of the low-band radiator elements is separated by a dielectric gap and at least one coupling element is disposed across the dielectric gap to capacitively couple the plurality of low-band radiator elements. ### Claim 11 An antenna, comprising: at least two adjacent unit cells having a conductive ground plane defining a pitch axis disposed along the length of the antenna; each unit cell including: a low band radiator comprising a pair of orthogonally coupled dipoles, each of the dipoles having a vertical stem portion and an arm portion, each arm portion disposed in a plane orthogonal to the conductive ground plane; the arm portions, collectively and on-edge, producing an L-shaped radiator parallel to the plane of the conductive ground plane; a pair of high band radiators, each radiator comprising a pair of cruciform radiators, each cruciform radiator electrically connected to, spaced apart from, and disposed parallel to the conductive ground plane; a conductive partition disposed along at least one edge of the conductive ground plane and electrically connected thereto, the conductive partition isolating at least a portion of the RF energy transmitted by the low and high-band radiators, wherein one of the low and high band radiators define an offset spacing and wherein the offset spacing varies from one unit cell to the adjacent unit cell. ### Claim 12 (depends on 11) The antenna of claim 11 wherein a plurality of adjacent unit cells are connected along the pitch axis; wherein each conductive partition of each unit cells project upwardly between the adjacent unit cells to produce a support structure for an aerodynamic fairing. ### Claim 13 (depends on 11) The antenna of claim 11 wherein the conductive partition is coupled to one of the low-band radiators to structurally stabilize the low-band radiator. ### Claim 14 (depends on 11) The antenna of claim 11 wherein the at least one arm portion is disposed at least partially between the cruciform radiators of the high band radiators. ### Claim 15 (depends on 11) The antenna of claim 11 further comprising a pair of low-band radiators and two pairs of high band radiators. ### Claim 16 (depends on 15) The antenna of claim 15 wherein the L-shaped low-band radiators are face-to-face. ### Claim 17 (depends on 16) The antenna of claim 16 wherein the pair of cruciform radiators are disposed inboard of the face-to-face L-shaped low-band radiators relative to the pitch axis. ### Claim 18 (depends on 5) The antenna of claim 5 wherein L-shaped low-band radiators are back-to-back. ### Claim 19 (depends on 18) The antenna of claim 18 wherein the pair of cruciform radiators are disposed outboard of the back-to-back L-shaped low-band radiators relative to the pitch axis. ### Claim 20 (depends on 11) The unit cell antenna of claim 11 wherein one of the arm portions of the low band radiator includes a plurality of low-band radiator elements, and wherein each of the low-band radiator elements is separated by a dielectric gap and at least one coupling element is disposed across the dielectric gap to capacitively couple the plurality of low-band radiator elements. ### Claim 21 A method for producing an electrically flexible telecommunications antenna comprising the steps of: producing at least two adjacent unit cells capable of directing a known quantity of RF energy, each unit cell comprising at least one low band dipole and one pair of high band dipoles, each of the dipoles electrically coupled to a conductive ground plane, the low band dipole having an L-shaped radiator disposed in a plane parallel to the conductive ground plane, each of the high band dipoles having a pair of cruciform radiators electrically connected to, spaced apart from, and disposed parallel to the conductive ground plane; one of the low and high band dipoles defining an offset spacing; arranging one of the low and high band dipoles such that the offset spacing varies from one unit cell to the adjacent unit cell, and selectively coupling the modular unit cells together along a pitch axis of the unit cells such that the summation of the individual gains may be used to increase the total gain required to be delivered by the telecommunications antenna.