# US 10,374,671 B2 · Complex antenna > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,374,671 B2 - Document ID: US10374671B2 - Status: Granted - Kind: B2 - Application number: 15/428,125 - Filed: 2017-02-08 - Published: 2018-03-15 - Granted: 2019-08-06 - Earliest claimed: 2016-09-10 - Assignees: Wistron Neweb Corp. - Applicants: Wistron NeWeb Corporation - Inventors: Cheng-Geng Jan; Chieh-Sheng Hsu - Web page: https://patentgrep.com/patent/US10374671B2 ## CPC - H04B 7/0469: {taking special antenna structures, e.g. cross polarized antennas into account} - H01Q 1/36: Structural form of radiating elements, e.g. cone, spiral, umbrella; {Particular materials used therewith}(H01Q1/08, H01Q1/14 take precedence) - H01Q 1/42: Housings not intimately mechanically associated with radiating elements, e.g. radome - H01Q 9/0414: {in a stacked or folded configuration} - H01Q 9/0421: {with a shorting wall or a shorting pin at one end of the element (H01Q9/0414 takes precedence)} - H01Q 9/0457: {electromagnetically coupled to the feed line} - H01Q 9/28: Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines (waveguide horns or mouths H01Q13/00; slot antennas H01Q13/00) - H01Q 15/14: Reflecting surfaces; Equivalent structures {(electromagnetic shields H01Q1/526)} - H01Q 19/10: using reflecting surfaces - H01Q 21/205: {providing an omnidirectional coverage (turnstile aerials H01Q21/26)} - H01Q 21/24: Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction {(circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001)} - H01Q 21/28: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} - H04B 7/0697: {using spatial multiplexing} - H04B: TRANSMISSION - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A complex antenna for receiving and transmitting radio signals, includes four unit antennas, circularly arranged along a circle, for receiving and transmitting radio signals of a first frequency band; four side walls, respectively disposed between two adjacent unit antennas of the four unit antennas; and a plurality of side-wall antennas, disposed on the four side walls, for receiving and transmitting radio signals of a second frequency band. ## Claims ### Claim 1 A complex antenna for receiving and transmitting radio signals, comprising: four unit antennas, circularly arranged along a circle, for receiving and transmitting radio signals of a first frequency band; four side walls, respectively disposed between two adjacent unit antennas of the four unit antennas; and a plurality of side-wall antennas, disposed on the four side walls, for receiving and transmitting radio signals of a second frequency band; wherein each unit antenna of the four unit antennas comprises: a ground metal plate; a first patch plate; a second patch plate; a first feed-in wire, electrically connected to the first patch plate, for transmitting the radio signals of the first frequency band; a second feed-in wire, electrically connected to the second patch plate, for transmitting the radio signals of the first frequency band; and an insulation fixing unit, for fixing the ground metal plate, the first patch plate and the second patch plate, such that the ground metal plate, the first patch plate and the second patch plate do not come in contact with each other. ### Claim 2 (depends on 1) The complex antenna of claim 1, wherein the first frequency band and the second frequency band are different. ### Claim 3 (depends on 1) The complex antenna of claim 1, wherein the plurality of the side-wall antennas are selected from a planar antenna group, and the planar antenna group at least comprises a slot antenna or a planar inverted-F antenna. ### Claim 4 (depends on 1) The complex antenna of claim 1, wherein included angles between any one of the four side walls and the other three side walls are 90, 180 and 270 degrees. ### Claim 5 (depends on 1) The complex antenna of claim 1, wherein the ground metal plate comprises at least a bend. ### Claim 6 (depends on 5) The complex antenna of claim 5, wherein the at least a bend of the ground metal plate is used for focusing a wave beam generated by the antenna within a predefined range. ### Claim 7 (depends on 1) The complex antenna of claim 1, wherein the first patch plate or the second patch plate comprises at least a bend. ### Claim 8 (depends on 7) The complex antenna of claim 7, wherein the at least a bend of the first patch plate or the second patch plate is used for reducing an area projected onto the ground metal plate by the first patch plate or the second patch plate. ### Claim 9 (depends on 1) The complex antenna of claim 1, further comprising a third patch plate, wherein the insulation fixing unit is further used for fixing the third patch plate between the first patch plate and the second patch plate, such that the first patch plate, the second patch plate and the third patch plate do not come in contact with each other. ### Claim 10 (depends on 1) The complex antenna of claim 1, wherein wire lengths of the first feed-in wire and the second feed-in wire are related to half wavelengths of the radio signals transmitted. ### Claim 11 A complex antenna for receiving and transmitting radio signals, comprising: four unit antennas, circularly arranged along a circle, for receiving and transmitting radio signals of a first frequency band; four side walls, respectively disposed between two adjacent unit antennas of the four unit antennas; and a plurality of side-wall antennas, disposed on the four side walls, for receiving and transmitting radio signals of a second frequency band; wherein each unit antenna of the four unit antennas comprises: a metal reflective plane, for reflecting radio signals, to enhance a gain of the complex antenna; a first radiation portion, disposed on the metal reflective plane with a first gap to the metal reflective plane; a second radiation portion, disposed on the first radiation portion with a second gap to the first radiation portion; and a supporting element, for supporting and isolating the metal reflective plane, the first radiation portion and the second radiation portion. ### Claim 12 (depends on 11) The complex antenna of claim 11, wherein a 90 degree angle is included between a first midline of the first radiation portion and a second midline of the second radiation portion. ### Claim 13 (depends on 11) The complex antenna of claim 11, wherein the first radiation portion comprises: a first triangular metal plate; and a second triangular metal plate. ### Claim 14 (depends on 13) The complex antenna of claim 13, wherein shapes of the first triangular metal plate and the second triangular metal plate are isosceles triangles. ### Claim 15 (depends on 11) The complex antenna of claim 11, wherein the second radiation portion comprises: a third triangular metal plate; and a fourth triangular metal plate. ### Claim 16 (depends on 15) The complex antenna of claim 15, wherein the shapes of the third triangular metal plate and the fourth triangular metal plate are isosceles triangles. ### Claim 17 (depends on 11) The complex antenna of claim 11, wherein the first frequency band and the second frequency band are different. ### Claim 18 (depends on 11) The complex antenna of claim 11, wherein the plurality of the side-wall antennas are selected from a planar antenna group, and the planar antenna group at least comprises a slot antenna or a planar inverted-F antenna. ### Claim 19 (depends on 11) The complex antenna of claim 11, wherein included angles between any one of the four side walls and the other three side walls are 90, 180 and 270 degrees.