# US 2021/0344103 A1 · Communication Device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0344103 A1 - Document ID: US20210344103A1 - Status: Published application - Kind: A1 - Application number: 17/375,689 - Filed: 2021-07-14 - Published: 2021-11-04 - Earliest claimed: 2019-11-11 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Alexander Khripkov; Linsheng Li; Ruiyuan Tian - Web page: https://patentgrep.com/patent/US20210344103A1 ## CPC - H01Q 1/243: {with built-in antennas} - H01Q 5/307: Individual or coupled radiating elements, each element being fed in an unspecified way - H01Q 9/0485: {Dielectric resonator antennas} - H01Q 13/10: Resonant slot antennas - 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)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A communication device for wireless communication includes a housing having a front dielectric cover, a back dielectric cover, a metal frame circumferentially arranged between the front dielectric cover and the back dielectric cover, and an aperture. The metal frame forms a first antenna that is configured to radiate in a first set of frequency bands. The communication device further includes a circuit arranged inside the housing. The circuit is electrically isolated from the metal frame and includes at least one first feed line coupled to the metal frame and configured to feed the first antenna with a first set of radio frequency signals in the first set of frequency bands. The communication device further includes a second antenna arranged inside the housing and configured to radiate in a second frequency band non-overlapping with the first frequency band. ## Claims ### Claim 1 A communication device comprising: a housing having an aperture, and comprising: a front dielectric cover; a back dielectric cover; and a metal frame circumferentially arranged between the front dielectric cover and the back dielectric cover, wherein the metal frame comprises at least a portion of a first antenna configured to radiate in a first frequency band, and wherein the first frequency band is in a first interval from 400 megahertz (MHz) to 10 gigahertz (GHz); and a second antenna arranged inside the housing, wherein the second antenna is arranged in close proximity to the first antenna, wherein the second antenna comprises one or more radiating elements configured to radiate through the aperture, wherein the second antenna is configured to radiate in a second frequency band, and wherein the second frequency band is in a second interval from 10 GHz to 100 GHz. ### Claim 2 (depends on 1) The communication device of claim 1, wherein the aperture is positioned in the metal frame. ### Claim 3 (depends on 2) The communication device of claim 2, wherein an inner part of the metal frame extends inside the housing. ### Claim 4 (depends on 1) The communication device of claim 1, wherein the second antenna is separated from the metal frame. ### Claim 5 (depends on 1) The communication device of claim 1, wherein the second antenna is arranged in close proximity to the first antenna, and wherein the second antenna is spaced 1 mm-5 mm from the first antenna. ### Claim 6 (depends on 1) The communication device of claim 1, further comprising a first dielectric inside the housing and positioned between the metal frame and the second antenna. ### Claim 7 (depends on 1) The communication device of claim 1, further comprising a first dielectric arranged between the front dielectric cover and the one or more radiating elements, or between the back dielectric cover and the one or more radiating elements. ### Claim 8 (depends on 1) The communication device of claim 1, wherein the one or more radiating elements are arranged on a monolithically integrated substrate or arranged on molded plastic having an attached conductive part. ### Claim 9 (depends on 1) The communication device of claim 1, wherein the aperture is located adjacent to one side of the second antenna, and wherein the aperture is aligned with the one or more radiating elements. ### Claim 10 (depends on 1) The communication device of claim 1, wherein the aperture comprises a plurality of slots arranged in a row. ### Claim 11 (depends on 1) The communication device of claim 1, wherein the second frequency band is a millimetre Wave frequency band. ### Claim 12 (depends on 1) The communication device of claim 1, wherein the first frequency band is a cellular frequency band in a third interval from 698 MHz to 5,800 MHz. ### Claim 13 A communication device comprising: a housing having an aperture, and comprising: a front dielectric cover; a back dielectric cover; and a metal frame circumferentially arranged between the front dielectric cover and the back dielectric cover, wherein the metal frame comprises at least a portion of a first antenna, and wherein the first antenna is adjacent to the aperture; and a second antenna arranged inside the housing and separated from the metal frame, the second antenna is arranged in close proximity to the first antenna, wherein the second antenna comprises one or more radiating elements positioned adjacent to the aperture, wherein the first antenna is configured to radiate in a first frequency band, wherein the first frequency band is in a first interval from 400 MHz to 10 GHz, wherein the second antenna is configured to radiate in a second frequency band, and wherein the second frequency band is in a second interval from 10 GHz to 100 GHz. ### Claim 14 (depends on 13) The communication device of claim 13, wherein the aperture is configured in the metal frame, and wherein an inner part of the metal frame extends inside the housing. ### Claim 15 (depends on 13) The communication device of claim 13, wherein one or more of the radiating elements of the second antenna are configured to radiate through the aperture. ### Claim 16 (depends on 13) The communication device of claim 13, wherein the second antenna is arranged in close proximity to the first antenna, and wherein the second antenna is spaced 1 mm-5 mm from the first antenna. ### Claim 17 (depends on 12) The communication device of claim 12, further comprising a first dielectric inside the housing and positioned between the metal frame and the second antenna. ### Claim 18 (depends on 13) The communication device of claim 13, wherein the one or more radiating elements of the second antenna are arranged on a monolithically integrated substrate or arranged on molded plastic having an attached conductive part. ### Claim 19 (depends on 13) The communication device of claim 13, wherein the aperture comprises a plurality of slots arranged in a row. ### Claim 20 (depends on 13) The communication device of claim 13, wherein the second frequency band is a millimetre Wave frequency band.