# US 12,015,213 B2 · Methods and systems for implementing and operating multiple-input and multiple-output (MIMO) antennas for radio telecommunications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,213 B2 - Document ID: US12015213B2 - Status: Granted - Kind: B2 - Application number: 18/129,426 - Filed: 2023-03-31 - Published: 2023-07-27 - Granted: 2024-06-18 - Earliest claimed: 2018-03-29 - Assignees: Swisscom AG - Applicants: Swisscom AG - Inventors: Nima Jamaly - Web page: https://patentgrep.com/patent/US12015213B2 ## CPC - H01Q 7/00: Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop - H01Q 9/0464: {Annular ring patch} - H01Q 9/045: {with particular feeding means (for circular polarisation H01Q9/0428)} - H01Q 9/265: {Open ring dipoles; Circular dipoles} - H01Q 21/0025: {Modular arrays} - 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 7/0413: MIMO systems - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H04B: TRANSMISSION ## Abstract Methods and systems for implementing and operating antennas, particularly multiple-input and multiple-output (MIMO) antennas. An example antenna may include a planar dielectric substrate, a primary conductive area on a first surface of the planar dielectric substrate, a first secondary conductive area on the first surface, and a second secondary conductive area, and a ground plane on a second surface, on other side of the planar dielectric substrate. The primary conductive area may have a shape defining a first region of the first surface bounded by at least a portion of the primary conductive area, and a second region that includes a remaining portion of the first surface; a first secondary conductive area on the first surface, wherein the first secondary conductive area lies in the first region of the first surface. The second secondary conductive area may be provided on the first surface, and may lie in the second region. ## Claims ### Claim 1 An antenna comprising: a planar dielectric substrate; a primary conductive area on a first surface of the planar dielectric substrate, wherein the primary conductive area has a shape defining: a first region of the first surface bounded by at least a portion of the primary conductive area, and a second region comprising a remaining portion of the first surface; a first secondary conductive area on the first surface, wherein the first secondary conductive area lies in the first region of the first surface; a second secondary conductive area provided on the first surface, wherein the second secondary conductive area lies in the second region; a ground plane on a second surface on other side of the planar dielectric substrate; and a primary stem connected to the primary conductive area; wherein the first secondary conductive area comprises a secondary stem. ### Claim 2 (depends on 1) The antenna of claim 1, wherein the first secondary conductive area comprises a first arc on the first surface. ### Claim 3 (depends on 1) The antenna of claim 1, wherein the second secondary conductive area comprises a second arc on the first surface. ### Claim 4 (depends on 1) The antenna of claim 1, wherein the primary stem is disposed on the first surface. ### Claim 5 (depends on 4) The antenna of claim 4, wherein the primary stem lies adjacent to and parallel to a radially aligned edge of the second secondary conductive area. ### Claim 6 (depends on 1) The antenna of claim 1, wherein the second secondary conductive area comprises a third stem lying parallel to the secondary stem. ### Claim 7 (depends on 1) The antenna of claim 1, wherein the first secondary conductive area comprises a secondary stem that is separate from the primary conductive area. ### Claim 8 (depends on 7) The antenna of claim 7, wherein the secondary stem transects a portion of the primary conductive area. ### Claim 9 (depends on 1) The antenna of claim 1, wherein the first secondary conductive area and the second secondary conductive area are disposed adjacent to edges of different portions of the primary conductive area. ### Claim 10 An antenna comprising: a planar dielectric substrate; a primary conductive area on a first surface of the planar dielectric substrate, wherein the primary conductive area has a shape defining: a first region of the first surface bounded by at least a portion of the primary conductive area, and a second region comprising a remaining portion of the first surface; a first secondary conductive area on the first surface, wherein the first secondary conductive area lies in the first region of the first surface; a second secondary conductive area provided on the first surface, wherein the second secondary conductive area lies in the second region; a ground plane on a second surface on other side of the planar dielectric substrate; a first signal connection connected to the first secondary conductive area; and a second signal connection connected to an edge of the primary conductive area adjacent the second secondary conductive area. ### Claim 11 (depends on 10) The antenna of claim 10, wherein the first secondary conductive area comprises a first arc on the first surface. ### Claim 12 (depends on 10) The antenna of claim 10, wherein the second secondary conductive area comprises a second arc on the first surface. ### Claim 13 (depends on 10) The antenna of claim 10, comprising a primary stem connected to the primary conductive area. ### Claim 14 (depends on 13) The antenna of claim 13, wherein the primary stem is disposed on the first surface. ### Claim 15 (depends on 14) The antenna of claim 14, wherein the primary stem lies adjacent to and parallel to a radially aligned edge of the second secondary conductive area. ### Claim 16 (depends on 10) The antenna of claim 10, wherein the first secondary conductive area comprises a secondary stem that is separate from the primary conductive area. ### Claim 17 (depends on 16) The antenna of claim 16, wherein the secondary stem transects a portion of the primary conductive area. ### Claim 18 (depends on 10) The antenna of claim 10, wherein the first secondary conductive area and the second secondary conductive area are disposed adjacent to edges of different portions of the primary conductive area. ### Claim 19 An antenna comprising: a planar dielectric substrate; a primary conductive area on a first surface of the planar dielectric substrate, wherein the primary conductive area has a shape defining: a first region of the first surface bounded by at least a portion of the primary conductive area, and a second region comprising a remaining portion of the first surface; a first secondary conductive area on the first surface, wherein the first secondary conductive area lies in the first region of the first surface; a second secondary conductive area provided on the first surface, wherein the second secondary conductive area lies in the second region; a ground plane on a second surface on other side of the planar dielectric substrate; a first signal connection connected to an edge of the primary conductive area adjacent to the first secondary conductive area; and a second signal connection connected to the second secondary conductive area. ### Claim 20 (depends on 19) The antenna of claim 19, wherein the first secondary conductive area comprises a first arc on the first surface. ### Claim 21 (depends on 19) The antenna of claim 19, wherein the second secondary conductive area comprises a second arc on the first surface. ### Claim 22 (depends on 19) The antenna of claim 19, comprising a primary stem connected to the primary conductive area. ### Claim 23 (depends on 22) The antenna of claim 22, wherein the primary stem is disposed on the first surface. ### Claim 24 (depends on 23) The antenna of claim 23, wherein the primary stem lies adjacent to and parallel to a radially aligned edge of the second secondary conductive area. ### Claim 25 (depends on 19) The antenna of claim 19, wherein the first secondary conductive area comprises a secondary stem that is separate from the primary conductive area. ### Claim 26 (depends on 25) The antenna of claim 25, wherein the secondary stem transects a portion of the primary conductive area. ### Claim 27 (depends on 19) The antenna of claim 19, wherein the first secondary conductive area and the second secondary conductive area are disposed adjacent to edges of different portions of the primary conductive area.