# US 2019/0319366 A1 · Antenna for Use in Electronic Communication Systems > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0319366 A1 - Document ID: US20190319366A1 - Status: Published application - Kind: A1 - Application number: 16/464,788 - Filed: 2017-08-30 - Published: 2019-10-17 - Earliest claimed: 2017-08-30 - Assignees: Star Systems International Limited - Applicants: STAR Systems International Limited - Inventors: Chi Lun Mak; Hau Wah Lai; Ka Ming Mak; Kwok Kan So; Hang Wong - Web page: https://patentgrep.com/patent/US20190319366A1 ## CPC - H01Q 21/065: {Patch antenna array} - H01P 5/12: Coupling devices having more than two ports (H01P5/04 takes precedence) - H01Q 5/357: using a single feed point - H01Q 9/045: {with particular feeding means (for circular polarisation H01Q9/0428)} - H01Q 9/0485: {Dielectric resonator antennas} - H01Q 13/08: Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines - H01Q 21/0087: {Apparatus or processes specially adapted for manufacturing antenna arrays (manufacturing waveguides H01P11/00)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H01P: WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B) ## Abstract A system and method for an antenna including two or more radiation elements on a side of a substrate; a ground plane on an opposite side of the substrate; and a feeding network including a plurality of branch feeding elements. Each of the radiation elements has one or more feeding ports such that each of the plurality of branch feeding element is connected to a feeding port of a respective one of the radiation elements. ## Claims ### Claim 1 An antenna comprising: two or more radiation elements on a side of a substrate; a ground plane on an opposite side of the substrate; and a feeding network including a plurality of branch feeding elements; wherein each of the radiation elements has one or more feeding ports such that each of the plurality of branch feeding element is connected to a feeding port of a respective one of the radiation elements. ### Claim 2 (depends on 1) The antenna according to claim 1, wherein a number of radiation elements is different from a number of the branch feeding elements. ### Claim 3 (depends on 1) The antenna according to claim 1, further comprising n number of radiation elements, and m number of branch feeding elements such that m>n>1. ### Claim 4 (canceled) ### Claim 5 (depends on 1) The antenna according to claim 1, wherein the substrate is a dielectric substrate. ### Claim 6 (depends on 5) The antenna according to claim 5, wherein the substrate includes an air-substrate. ### Claim 7 (canceled) ### Claim 8 (canceled) ### Claim 9 (depends on 1) The antenna according to claim 1, wherein each of the radiation elements is coated with a superstrate layer. ### Claim 10 (canceled) ### Claim 11 (canceled) ### Claim 12 (canceled) ### Claim 13 (canceled) ### Claim 14 (canceled) ### Claim 15 (canceled) ### Claim 16 (depends on 1) The antenna according to claim 1, wherein the branch feeding element comprises a microstrip line. ### Claim 17 (depends on 1) The antenna according to claim 1, wherein the branch feeding elements are connected to a feeding point of the feeding network. ### Claim 18 (canceled) ### Claim 19 (canceled) ### Claim 20 (canceled) ### Claim 21 (depends on 1) The antenna according to claim 1, wherein the radiation elements are arranged into three columns and two rows. ### Claim 22 (depends on 21) The antenna according to claim 21, wherein each radiation element of the first column has only one port connected to a branch feeding element. ### Claim 23 (depends on 22) The antenna according to claim 22, wherein each radiation element of the second column has two ports at opposite ends of the radiation element, and each port is connected to a branch feeding element. ### Claim 24 (depends on 23) The antenna according to claim 23, wherein each radiation element of the third column has only one port connecting to a branch feeding element. ### Claim 25 (depends on 24) The antenna according to claim 24, wherein the feeding ports of the radiation element of the first column are adapted to operate at 0 degree phase difference. ### Claim 26 (depends on 25) The antenna according to claim 25, wherein the feeding ports of radiation elements in the second column adjacent to the first column are adapted to operate at 180 degree phase difference. ### Claim 27 (depends on 26) The antenna according to claim 26, wherein the feeding ports of radiations elements in the second column adjacent to the third column are adapted to operate at 0 degree phase difference. ### Claim 28 (depends on 27) The antenna according to claim 27, wherein the feeding ports of the radiation elements in the third column are adapted to operate at 180 degree phase difference. ### Claim 29 (canceled) ### Claim 30 (canceled) ### Claim 31 (depends on 1) The antenna according to claim 1, wherein the branch feeding elements connected to the feeding ports operating in 0 degree phase difference has a d1 length, and the branch feeding elements connected to the feeding ports operating in 180 degree phase difference has a d2 length, such that d1−d2=(2k+1)(λg/2). where k is any interger and λg is the guided wavelength. ### Claim 32 (depends on 31) The antenna according to claim 31, wherein two radiation elements in a same row have a space of around 190 mm between the centres of the radiation elements. ### Claim 33 (depends on 32) The antenna according to claim 32, wherein two radiation elements in a same column have a space of around 220 mm between the centres of the radiation elements. ### Claim 34 (depends on 3) The antenna according to claim 3, wherein n is an integer number greater than or equals to 2. ### Claim 35 (canceled) ### Claim 36 (canceled) ### Claim 37 (canceled)