# US 12,184,312 B2 · Antenna bandwith enhancement for an electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,184,312 B2 - Document ID: US12184312B2 - Status: Granted - Kind: B2 - Application number: 18/492,951 - Filed: 2023-10-24 - Published: 2024-05-09 - Granted: 2024-12-31 - Earliest claimed: 2017-09-29 - Assignees: Intel Corporation - Applicants: Intel Corporation - Inventors: Simon Svendsen; Ole Jagielski - Web page: https://patentgrep.com/patent/US12184312B2 ## CPC - H04B 1/0064: {with separate antennas for the more than one band (H04B1/0053 takes precedence)} - H01Q 1/243: {with built-in antennas} - 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 5/321: within a radiating element or between connected radiating elements - H01Q 5/335: at the feed, e.g. for impedance matching - H01Q 5/50: Feeding or matching arrangements for broad-band or multi-band operation - H01Q 9/30: with feed to end of elongated active element, e.g. unipole (H01Q9/44 takes precedence) - H01Q 21/28: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} - H04B 1/3888: Arrangements for carrying or protecting transceivers - H04B 1/401: for selecting or indicating operating mode - H04B: TRANSMISSION - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract Techniques are disclosed for configuring a broadband antenna system. An example electronic device includes a first antenna operating at a first frequency range and coupled to a first transceiver via a first signal path comprising a first indirect feed. The electronic device also includes a second antenna operating at a second frequency range and coupled to a second transceiver via a second signal path comprising a second indirect feed, wherein the first frequency range is lower than the first frequency range. The electronic device also includes a third antenna operating at the second frequency range and coupled to a third transceiver via a second signal path comprising a third indirect feed. Additionally, the first antenna is coupled to the first antenna and the second antenna by a capacitive coupling element. ## Claims ### Claim 1 A wireless device, comprising: a first antenna configured to operate at a first frequency range, disposed substantially along a first surface of the wireless device, and coupled to a dedicated first transceiver that is dedicated to the first antenna; a first feed path coupled between the first antenna and the dedicated first transceiver; a second antenna configured to operate at a second frequency range, disposed at a location of the wireless device other than substantially along the first surface of the wireless device, and coupled to a dedicated second transceiver that is dedicated to the second antenna, wherein the second antenna comprises a second additional antenna element which is coupled to be fed by a second indirect feed element, and a second parasitic antenna element configured to be driven by the second additional antenna element; a second feed path coupled between the second antenna and the dedicated second transceiver, and comprising a second transmission line matching circuitry configured to impedance match an output of the second transceiver to the second antenna; a third antenna configured to operate at a third frequency range, disposed at a location of the wireless device other than substantially along the first surface of the wireless device, and coupled to a dedicated third transceiver that is dedicated to the third antenna, wherein the third antenna comprises a third additional antenna element which is coupled to be fed by a third indirect feed element, and a third parasitic antenna element configured to be driven by the third additional antenna element; and a third feed path coupled between the third antenna and the dedicated third transceiver, and comprising a third transmission line matching circuitry configured to impedance match an output of the third transceiver to the third antenna, wherein each of the second frequency range and the third frequency range is higher than the first frequency range. ### Claim 2 (depends on 1) The wireless device of claim 1, wherein each of the first antenna, second antenna, and third antenna is disposed along an edge of the wireless device. ### Claim 3 (depends on 2) The wireless device of claim 2, wherein the second antenna is disposed at a corner of the wireless device, and the third antenna is disposed at another corner of the wireless device. ### Claim 4 (depends on 3) The wireless device of claim 3, wherein a bottom edge of the wireless device is located between the corner and the another corner. ### Claim 5 (depends on 1) The wireless device of claim 1, wherein the first antenna is disposed along a bottom edge of the wireless device. ### Claim 6 (depends on 1) The wireless device of claim 1, wherein: the first antenna is coupled to the dedicated first transceiver by a first indirect feed element, the second antenna is coupled to the dedicated second transceiver by a second indirect feed element, and the third antenna is coupled to the dedicated third transceiver by a third indirect feed element. ### Claim 7 (depends on 1) The wireless device of claim 1, wherein: the second antenna is coupled to ground by a second resonance inductor configured to tune a resonant frequency of the second antenna, and the third antenna is coupled to ground by a third resonance inductor configured to tune a resonant frequency of the third antenna. ### Claim 8 (depends on 1) The wireless device of claim 1, wherein: the first antenna is coupled to the second antenna by a second adjustable capacitor configured to select between switch stages of the first antenna, and the first antenna is coupled to the third antenna by a third adjustable capacitor configured to select between the switch stages of the first antenna. ### Claim 9 (depends on 8) The wireless device of claim 8, further comprising: an antenna system controller configured to vary capacitances of the second adjustable capacitor and the third adjustable capacitor. ### Claim 10 (depends on 9) The wireless device of claim 9, further comprising: an impedance tuner coupled to an output of the first transceiver and to the antenna system controller, and configured to impedance match the dedicated first transceiver to the first antenna in response to changes in the switch stages of the first antenna. ### Claim 11 (depends on 8) The wireless device of claim 8, further comprising: an impedance tuner coupled to an output of the first transceiver, and configured to impedance match the first transceiver to the first antenna. ### Claim 12 (depends on 1) The wireless device of claim 1, wherein: the second additional antenna element is coupled to the second transceiver through the second transmission line matching circuitry and a fourth indirect feed element, and the third additional antenna element is coupled to the third transceiver through the third transmission line matching circuitry and a fifth indirect feed element. ### Claim 13 (depends on 12) The wireless device of claim 12, wherein: the second additional antenna element is coupled to ground through a fourth inductor, and the third additional antenna element is coupled to ground through a fifth inductor. ### Claim 14 (depends on 13) The wireless device of claim 13, wherein: the parasitic second antenna element is coupled directly to ground, and the parasitic third antenna element is coupled directly to ground. ### Claim 15 (depends on 1) The wireless device of claim 1, further comprising: a chassis configured to selectively allow radiation on plane/direction. ### Claim 16 (depends on 1) The wireless device of claim 1, further comprising: an antenna system controller configured to control a circuit element to tune the first antenna in response to changing conditions. ### Claim 17 A wireless device, comprising: a first antenna configured to operate at a first frequency range, and coupled to a dedicated first transceiver that is dedicated to the first antenna; a first feed path coupled between the first antenna and the dedicated first transceiver; a second antenna configured to operate at a second frequency range, and coupled to a dedicated second transceiver that is dedicated to the second antenna, wherein the second antenna comprises a second additional antenna element which is coupled to be fed by a second indirect feed element, and a second parasitic antenna element configured to be driven by the second additional antenna element; a second feed path coupled between the second antenna and the dedicated second transceiver, and comprising a second transmission line matching circuitry configured to impedance match an output of the second transceiver to the second antenna; a third antenna configured to operate at a third frequency range, and coupled to a dedicated third transceiver that is dedicated to the third antenna, wherein the third antenna comprises a third additional antenna element which is coupled to be fed by a third indirect feed element, and a third parasitic antenna element configured to be driven by the third additional antenna element; and a third feed path coupled between the third antenna and the dedicated third transceiver, and comprising a third transmission line matching circuitry configured to impedance match an output of the third transceiver to the third antenna, wherein each of the second frequency range and the third frequency range is higher than the first frequency range. ### Claim 18 (depends on 17) The wireless device of claim 17, wherein each of the first antenna, second antenna, and third antenna is disposed along an edge of the wireless device. ### Claim 19 (depends on 17) The wireless device of claim 17, wherein the first antenna is disposed along a bottom edge of the wireless device. ### Claim 20 (depends on 17) The wireless device of claim 17, further comprising: a chassis configured to selectively allow radiation on plane/direction. ### Claim 21 (depends on 17) The wireless device of claim 17, further comprising: an antenna system controller configured to control a circuit element to tune the first antenna in response to changing conditions. ### Claim 22 A method of operating a wireless device, comprising: feeding a first antenna at a first frequency range using a dedicated first transceiver that is dedicated to and coupled to the first antenna, wherein there is a first feed path coupled between the first antenna and the dedicated first transceiver; feeding a second antenna at a second frequency range using a dedicated second transceiver that is dedicated to the second antenna; and feeding a second additional antenna element of the second antenna by a second indirect feed element, and driving a second parasitic antenna element by the second additional antenna element, wherein there is a second feed path coupled between the second antenna and the dedicated second transceiver; impedance matching, by a second transmission line matching circuitry, an output of the second transceiver to the second antenna; feeding a third antenna at a third frequency range using a dedicated third transceiver that is dedicated to the third antenna; feeding a third additional antenna element of the third antenna by a third indirect feed element, and driving a third parasitic antenna element by the third additional antenna element, wherein there is a third feed path coupled between the third antenna and the dedicated third transceiver; and impedance matching, by a third transmission line matching circuitry, an output of the third transceiver to the third antenna, wherein each of the second frequency range and the third frequency range is higher than the first frequency range. ### Claim 23 (depends on 22) The method of claim 22, wherein each of the first antenna, second antenna, and third antenna is disposed along an edge of the wireless device. ### Claim 24 (depends on 22) The method of claim 22, wherein the first antenna is disposed along a bottom edge of the wireless device. ### Claim 25 (depends on 22) The method of claim 22, wherein the wireless device comprises: a chassis configured to selectively allow radiation on plane/direction. ### Claim 26 (depends on 22) The method of claim 22, wherein the wireless device comprises: an antenna system controller configured to control a circuit element to tune the first antenna in response to changing conditions. ### Claim 27 A wireless device, comprising: a first antenna means for operating at a first frequency range, and coupled to a dedicated first transceiving means that is dedicated to the first antenna means; a first feed path means coupled between the first antenna and the dedicated first transceiver; a second antenna means for operating at a second frequency range, and coupled to a dedicated second transceiving means that is dedicated to the second antenna means, wherein the second antenna means comprises a second additional antenna element means for being fed by a second indirect feed element means, and a second parasitic antenna element means for being driven by the second additional antenna element means; a second feed path means coupled between the second antenna means and the dedicated second transceiving means, and comprising a second transmission line matching means for impedance matching an output of the second transceiving means to the second antenna means; a third antenna means for operating at a third frequency range, and coupled to a dedicated third transceiving means that is dedicated to the third antenna means, wherein the third antenna means comprises a third additional antenna element means for being fed by a third indirect feed element means, and a third parasitic antenna element means for being driven by the third additional antenna element means; and a third feed path means coupled between the third antenna means and the dedicated third transceiving means, and comprising a third transmission line matching means for impedance matching an output of the third transceiving means to the third antenna means, wherein each of the second frequency range and the third frequency range is higher than the first frequency range. ### Claim 28 (depends on 27) The wireless device of claim 27, wherein each of the first antenna means, second antenna means, and third antenna means is disposed along an edge of the wireless device. ### Claim 29 (depends on 27) The wireless device of claim 27, wherein the first antenna means is disposed along a bottom edge of the wireless device. ### Claim 30 (depends on 27) The wireless device of claim 27, further comprising: a chassis configured to selectively allow radiation on plane/direction. ### Claim 31 (depends on 27) The wireless device of claim 27, further comprising: an antenna system controlling means for controlling a circuit element to tune the first antenna in response to changing conditions.