# US 11,309,939 B2 · Optimized multi-beam antenna array network with an extended radio frequency range > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,309,939 B2 - Document ID: US11309939B2 - Status: Granted - Kind: B2 - Application number: 17/091,520 - Filed: 2020-11-06 - Published: 2021-02-25 - Granted: 2022-04-19 - Earliest claimed: 2017-12-07 - Assignees: Movandi Corporation - Applicants: Movandi Corporation - Inventors: Seunghwan Yoon; Ahmadreza Rofougaran - Web page: https://patentgrep.com/patent/US11309939B2 ## CPC - H04B 7/0408: using two or more beams, i.e. beam diversity - H01Q 3/20: wherein the primary active element is fixed and the reflecting device is movable - H01Q 15/16: curved in two dimensions [2D], e.g. paraboloidal - H01Q 19/17: the primary radiating source comprising two or more radiating elements (H01Q19/15, H01Q25/00 take precedence) - H01Q 25/008: {lens fed multibeam arrays} - H04B 7/022: Site diversity; Macro-diversity (using two or more spaced independent antennas H04B7/04) - H04B 7/043: {using best eigenmode, e.g. beam forming or beam steering} - H04B 7/0617: {for beam forming} - H04B: TRANSMISSION - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A system, in a radio frequency (RF) transmitter device, dynamically selects one or more reflector devices along a non-line-of-sight (NLOS) radio path based on a defined criteria. Further, the dynamically selected one or more reflector devices are controlled based on one or more conditions. In an RF receiver device, communicates with the dynamically selected one or more reflector devices comprising an active reflector device. The active reflector device comprises at least a first antenna array and a second antenna array. The first antenna array transmits a first set of beams of RF signals to at least the RF transmitter device and the RF receiver device. The second antenna array receives a second set of beams of RF signals from at least the RF transmitter device and the RF receiver device. ## Claims ### Claim 1 A communication device comprising, comprising: an active reflector device, wherein the active reflector device comprises: a first antenna array configured to: transmit a first set of beams of radio frequency (RF) signals of a plurality of beams of RF signals to at least an RF transmitter device and an RF receiver device, wherein the RF transmitter device: configures system configurations based on at least one of environment information or link quality; selects one or more reflector devices from a plurality of reflector devices along a non-line-of-sight (NLOS) radio path based on the system configurations, wherein the plurality of reflector devices comprises the active reflector device and a passive reflector device, and wherein the RF receiver device receives the first set of beams of RF signals from the selected one or more reflector devices; and transmit the first set of beams of RF signals of the plurality of beams of RF signals to the passive reflector device, and a second antenna array configured to: receive a second set of beams of RF signals of the plurality of beams of RF signals from at least the RF transmitter device and the RF receiver device; and receive the second set of beams of RF signals of the plurality of beams of RF signals from the passive reflector device. ### Claim 2 (depends on 1) The communication device according to claim 1, wherein the active reflector device is configured to adjust an amplitude gain and phase shift of the first set of beams of RF signals of the plurality of beams of RF signals. ### Claim 3 (depends on 1) The communication device according to claim 1, wherein a first signal strength of a first beam of the first set of beams of RF signals transmitted by the first antenna array is higher than a second signal strength of a second beam of the second set of beams of RF signals received by the second antenna array. ### Claim 4 (depends on 1) The communication device according to claim 1, wherein the active reflector device is positioned at a distance from a second physical obstructing object that partially blocks or impair the first beam of RF signals. ### Claim 5 (depends on 1) The communication device according to claim 1, wherein the selection of the one or more reflector devices is based on at least one of a location of the one or more reflector devices, a relative distance of the one or more reflector devices with respect to the RF transmitter device, a type of one or more physical obstructing objects, or one or more parameters measured at the one or more reflector devices, and wherein the one or more parameters correspond to at least an antenna gain, a signal-to-noise ratio (SNR), a signal-to-interference-plus-noise ratio (SINR), a carrier-to-noise (CNR), or a carrier-to-interference-and-noise ratio (CINR). ### Claim 6 (depends on 1) The communication device according to claim 1, wherein the selected one or more reflector devices are controlled based on one or more conditions that correspond to transmission of the plurality of beams of RF signals through a plurality of physical obstructing objects and determination of an NLOS radio path with best performance for the transmission of the plurality of beams of RF signals to the RF receiver device. ### Claim 7 (depends on 1) The communication device according to claim 1, wherein the first antenna array and the second antenna array are isolated from each other. ### Claim 8 (depends on 1) The communication device according to claim 1, further comprising an electronic device configured to execute an application program for the selection of the one or more reflector devices from the plurality of reflector devices and control the selected one or more reflector devices, wherein the application program is executed for an installation, maintenance, control, and troubleshoot a system comprising a multi-beam antenna array network. ### Claim 9 (depends on 8) The communication device according to claim 8, wherein the multi-beam antenna array network comprises a combination of the active reflector device that includes the first antenna array and the second antenna array and the passive reflector device, and wherein an RF range of the multi-beam antenna array network is extended based on the selection of the one or more reflector devices and control of the selected one or more reflector devices. ### Claim 10 (depends on 1) The communication device according to claim 1, wherein the plurality of reflector devices are integrated in a package of a plurality of antenna modules of corresponding reflector device. ### Claim 11 (depends on 1) The communication device according to claim 1, wherein each of the plurality of reflector devices are on a printed circuit board on which a plurality of antenna modules of corresponding reflector device is mounted. ### Claim 12 (depends on 1) The communication device according to claim 1, wherein the active reflector device comprises one or more distributed circuits configured to transmit the first set of beams of the RF signals and receive the second set of beams of RF signals based on multiple-input multiple-output (MIMO) transmission and reception. ### Claim 13 (depends on 1) The communication device according to claim 1, wherein each of the RF transmitter device and the RF receiver device comprises a plurality of distributed transceivers, wherein the plurality of distributed transceivers is configured to transmit and receive the plurality of beams of RF signals based on multiple-input multiple-output (MIMO) transmission and reception. ### Claim 14 A communication device, comprising: in an electronic equipment in a radio frequency (RF) device network, wherein the electronic equipment further comprises: an active reflector device, wherein the active reflector device comprises: a first antenna array configured to: transmit a first set of beams of radio frequency (RF) signals of a plurality of beams of RF signals to at least an RF transmitter device and an RF receiver device, wherein the RF transmitter device: configures system configurations based on at least one of environment information or link quality; selects one or more reflector devices from a plurality of reflector devices along a non-line-of-sight (NLOS) radio path based on the system configurations, wherein the plurality of reflector devices comprises the active reflector device and a passive reflector device, and wherein the RF receiver device receives the first set of beams of RF signals from the selected one or more reflector devices in the RF device network; and transmit the first set of beams of RF signals of the plurality of beams of RF signals to the passive reflector device, and a second antenna array configured to: receive a second set of beams of RF signals of the plurality of beams of RF signals from at least the RF transmitter device and the RF receiver device; and receive the second set of beams of RF signals of the plurality of beams of RF signals from the passive reflector device. ### Claim 15 (depends on 14) The communication device according to claim 14, wherein the electronic equipment corresponds to an RF transmitter device or a mobile electronic device. ### Claim 16 (depends on 14) The communication device according to claim 14, wherein the electronic equipment is further configured to control the selected one or more reflector devices based on information received via a feedback channel. ### Claim 17 (depends on 16) The communication device according to claim 16, wherein the information is associated with exchange and negotiate system configurations, wherein the information comprises at least one of a number of transceivers within one or more RF devices, number of antennas per transceiver, antenna beamformers, channel responses, sequence of antenna array coefficients evaluated, or locations of at least the one or more reflector devices. ### Claim 18 (depends on 14) The communication device according to claim 14, wherein the electronic equipment comprises a plurality of distributed transceivers. ### Claim 19 (depends on 18) The communication device according to claim 18, wherein the plurality of distributed transceivers is configured to transmit the plurality of beams of RF signals in accordance with multiple-input multiple-output (MIMO) transmission.