US Pat. No. 10,129,888

METHOD FOR INSTALLING A FIXED WIRELESS ACCESS LINK WITH ALIGNMENT SIGNALS

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1. A method for installing a fixed wireless access link between a first fixed wireless access radio and an at least one second fixed wireless access radio, wherein each one of the first fixed wireless access radio and the second fixed wireless access radio comprises at least an antenna array comprising at least a plurality of directive gain antenna elements, and wherein each directive gain antenna element is couplable to at least one receive RF chain or transmit RF chain, said method comprising:course aligning a physical configuration of the first fixed wireless access radio or an arrangement of the antenna array within the first fixed wireless access radio;
course aligning a physical configuration of the second fixed wireless access radio or an arrangement of the antenna array within the second fixed wireless access radio;
transmitting at least one alignment signal from the first fixed wireless access radio using a first transmit antenna pattern or receiving in order to detect at least one alignment signal at the first fixed wireless access radio using a first receive antenna pattern;
transmitting at least one alignment signal from the second fixed wireless access radio using a second transmit antenna pattern or receiving in order to detect at least one alignment signal at the second fixed wireless access radio using a second receive antenna pattern; and
one or more of:
fine aligning the physical configuration of the first fixed wireless access radio or the arrangement of the antenna array within the first fixed wireless access radio; and
fine aligning the physical configuration of the second fixed wireless access radio or the arrangement of the antenna array within the second fixed wireless access radio.

US Pat. No. 10,063,363

ZERO DIVISION DUPLEXING MIMO RADIO WITH ADAPTABLE RF AND/OR BASEBAND CANCELLATION

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1. A radio with adaptable radio frequency (RF) cancellation for reduction of one or more transmit signals at a receiver within the radio, said radio comprising:a plurality of transmit radio frequency (RF) chains, wherein each transmit RF chain is configured to convert from a respective one of a plurality of transmit chain input signals to a respective one of a plurality of transmit RF signals;
a plurality of adaptable RF transversal filter sets configured to convert one or more RF cancellation input signals derived from one or more of the plurality of transmit RF signals to a plurality of RF transmit cancellation signals, wherein each one of the plurality of adaptable RF transversal filter sets comprises:
one or more adaptable RF transversal filters, wherein each adaptable RF transversal filter is configured to filter a respective one of the one or more RF cancellation input signals to provide a respective one of one or more adaptable RF transversal filtered signals; and
an RF filtered signal combiner configured to combine the one or more adaptable RF transversal filtered signals within each one of the plurality of adaptable RF transversal filter sets to produce one of the plurality of RF transmit cancellation signals;
a plurality of antenna elements, wherein each of a plurality of receive RF signals is derived from signals received from at least one of the plurality of antenna elements, wherein each of the plurality of receive RF signals comprises at least one or more transmitter related signals, and wherein each of the one or more transmitter related signals is derived from at least one of the plurality of transmit RF signals;
a plurality of RF cancellation combiners, wherein each RF cancellation combiner is configured to combine a respective one of at least one of the plurality of RF transmit cancellation signals with at least one of the plurality of RF receive signals to provide a respective one of a plurality of receive chain input signals; and
a plurality of receive radio frequency (RF) chains, wherein each receive RF chain is configured to convert from a respective one of the plurality of receive chain input signals to a respective one of a plurality of receive chain output signals;
wherein the radio is configured to adapt at least one of the one or more adaptable RF transversal filters to reduce a level of an interfering signal component within at least one of the plurality of receive chain output signals, wherein the interfering signal component is derived from at least one of the one or more transmitter related signals, and wherein the radio utilizes a metric that accounts for at least the interfering signal component.

US Pat. No. 10,051,643

RADIO WITH INTERFERENCE MEASUREMENT DURING A BLANKING INTERVAL

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1. A method for exchanging one or more data interface streams by a radio with one or more other radios comprising:converting from a respective one of a plurality of receive RF signals within a receive frequency band to a respective one of a plurality of receive chain output signals, wherein each said respective one of the plurality of receive RF signals is characterized by a receive channel combination from amongst a plurality of possible receive channel combinations, each said receive channel combination comprising at least a receive channel center frequency from amongst one or more possible receive channel center frequencies and a receive channel bandwidth from amongst one or more possible receive channel bandwidths;
converting from a respective one of a plurality of transmit chain input signals to a respective one of a plurality of transmit RF signals within a transmit frequency band, wherein each said respective one of the plurality of transmit RF signals is characterized by a transmit channel combination from amongst a plurality of possible transmit channel combinations, each said transmit channel combination comprising at least a transmit channel center frequency from amongst one or more possible transmit channel center frequencies and a transmit channel bandwidth from amongst one or more possible transmit channel bandwidths;
determining a measure of interference associated with at least one or more receive channel combinations;
determining the measure of interference during a blanking interval in which the one or more other radios are assumed to substantially inhibit transmissions within at least one or more frequency channels corresponding to the at least one or more receive channel combinations;
determining or estimating one or more performance metrics associated with the at least one or more receive channel combinations, said determining or estimating of the one or more performance metrics being based at least upon the measure of interference; and
changing at least one or more of the plurality of receive RF signals from being characterized by a first receive channel combination to being characterized by a second receive channel combination, said changing being based at least upon an opportunity to improve at least one of the one or more performance metrics.

US Pat. No. 10,313,898

APERTURE-FED, STACKED-PATCH ANTENNA ASSEMBLY

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1. An antenna assembly comprising: a first substrate comprising: a plurality of first substrate conductive patch elements; a second substrate comprising: a first layer with at least a conductive ground plane and a plurality of pairs of apertures, wherein a number of the plurality of pairs of apertures is equal to a number of the plurality of first substrate conductive patch elements; and a second layer with at least a first transmission line feed network coupled to a first feed point and a second transmission line feed network coupled to a second feed point; a third substrate comprising: a plurality of third substrate conductive patch elements, wherein a number of the plurality of third substrate conductive patch elements is equal to the number of the plurality of first substrate conductive patch elements; a first spacer interposed between the third substrate and the second substrate, the first spacer comprising a dielectric material and at least one first spacer opening in the dielectric material, wherein the dielectric material is absent within the at least one first spacer opening; and a second spacer interposed between the first substrate and the third substrate, the second spacer comprising a dielectric material and at least one second spacer opening in the dielectric material, wherein the dielectric material is absent within the at least one second spacer opening; wherein a first feedline portion of the first transmission line feed network crosses over a rectangular aperture body of the first aperture of each pair of the plurality of pairs of apertures in a first direction for each first aperture that excites each respective stacked resonant radiating antenna element formed amongst each respective one of the plurality of first substrate conductive patch elements, each respective one of the plurality of third substrate conductive patch elements and the conductive ground plane for said stacked resonant radiating antenna elements arranged in a first column of said stacked resonant radiating antenna elements and a second feedline portion of the first transmission line feed network crosses over a rectangular aperture body of the first aperture of each pair of the plurality of pairs of apertures in a second direction for each first aperture that excites each respective stacked resonant radiating antenna element formed amongst each respective one of the plurality of first substrate conductive patch elements, each respective one of the plurality of third substrate conductive patch elements and the conductive ground plane for said stacked resonant radiating antenna elements arranged in a second column of said stacked resonant radiating antenna elements, and wherein the second direction is opposite to the first direction; wherein a third feedline portion of the second transmission line feed network crosses over a rectangular aperture body of the second aperture of each pair of the plurality of pairs of apertures in a third direction for each second aperture that excites each respective stacked resonant radiating antenna element formed amongst each respective one of the plurality of first substrate conductive patch elements, each respective one of the plurality of third substrate conductive patch elements and the conductive ground plane for said stacked resonant radiating antenna elements arranged in the first column of said stacked resonant radiating antenna elements and a fourth feedline portion of the second transmission line feed network crosses over a rectangular aperture body of the second aperture of each pair of the plurality of pairs of apertures in a fourth direction for each second aperture that excites each respective stacked resonant radiating antenna element formed amongst each respective one of the plurality of first substrate conductive patch elements, each respective one of the plurality of third substrate conductive patch elements and the conductive ground plane for said stacked resonant radiating antenna elements arranged in the second column of said stacked resonant radiating antenna elements, and wherein the third direction is the same as the fourth direction.

US Pat. No. 10,135,501

RADIO WITH SPATIALLY-OFFSET DIRECTIONAL ANTENNA SUB-ARRAYS

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1. A radio comprising:one or more demodulator cores, wherein each demodulator core is arranged to demodulate at least one receive symbol stream;
a plurality of receive radio frequency (RF) chains, wherein each receive RF chain is arranged to convert from a receive RF signal to a receive chain output signal;
one or more modulator cores, wherein each modulator core is arranged to produce at least one transmit symbol stream;
a plurality of transmit radio frequency (RF) chains, wherein each transmit RF chain is arranged to convert from a transmit chain input signal to a transmit RF signal;
a first directional antenna array comprising a plurality of first directional antenna sub-arrays, wherein each first directional antenna sub-array comprises a plurality of first directional antenna elements, and wherein each first directional antenna sub-array is coupled or couplable to at least one of the plurality of receive RF chains; and
a second directional antenna array comprising a plurality of second directional antenna sub-arrays, wherein each second directional antenna sub-array comprises a plurality of second directional antenna elements, and wherein each second directional antenna sub-array is coupled or couplable to at least one of the plurality of transmit RF chains;
wherein at least one first directional antenna sub-array is spatially offset or angularly offset relative to at least one other first directional antenna sub-array in a first arrangement; and
wherein said at least one first directional antenna sub-array is also spatially offset or angularly offset relative to at least one second directional antenna sub-array in a second arrangement, and
wherein the spatial offset or angular offset of the at least one first directional antenna sub-array relative to the other at least one first directional antenna sub-array and at least one second directional sub-array results in different electromagnetic polarizations.

US Pat. No. 10,237,760

SELF ORGANIZING BACKHAUL RADIO

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1. A system comprising:a plurality of self-organizing backhaul radios, each self-organizing backhaul radio comprising:
one or more demodulator cores, wherein each demodulator core is capable of demodulating one or more primary receive symbol streams to produce one or more receive data interface streams;
a plurality of receive radio frequency (RF) chains, wherein each receive RF chain is capable of converting from one of a plurality of receive RF signals to a respective one of a plurality of receive chain output signals;
an antenna array comprising a plurality of directive gain antenna elements, wherein each directive gain antenna element is couplable to at least one receive RF chain;
a frequency selective receive path channel multiplexer to produce one or more composite receive symbol streams from the plurality of receive chain output signals, wherein each respective one of the one or more composite receive symbol streams comprises a linear combination of a respective primary receive symbol stream and a respective signature control channel symbol stream, and wherein each respective signature control channel symbol stream is a spread spectrum modulated signal that carries a respective signature control channel information; and
a signature link processor, interposed between the one or more demodulator cores and the frequency selective receive path channel multiplexer, to produce the one or more primary receive symbol streams provided to the one or more demodulator cores from the one or more composite receive symbol streams.

US Pat. No. 10,306,635

HYBRID BAND RADIO WITH MULTIPLE ANTENNA ARRAYS

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1. A hybrid band radio with adaptive antenna arrays for communicating outbound data to one or more other hybrid band radios, said hybrid band radio comprising:a first antenna array comprising a plurality of first directive gain antenna elements; a first transmitter for transmitting first information over a first wireless link utilizing at least a first frequency band, the first information comprising at least first data, and the first transmitter coupled or couplable to at least one of the plurality of first directive gain antenna elements;
a second antenna array comprising a plurality of second directive gain antenna elements; a second transmitter for transmitting second information over a second wireless link utilizing at least a second frequency band, the second information comprising at least second data, and the second transmitter coupled or couplable to at least one of the plurality of second directive gain antenna elements; and
a controller at least for directing up to a first portion of the outbound data as first data for the first transmitter based at least upon a first performance metric associated with the first wireless link and upon a second performance metric associated with the second wireless link, and for directing up to a second portion of the outbound data as second data for the second transmitter based at least upon the first performance metric and the second performance metric.

US Pat. No. 10,548,132

RADIO WITH ANTENNA ARRAY AND MULTIPLE RF BANDS

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1. A fixed wireless access radio for exchanging one or more data interface streams with one or more other fixed wireless access radios, said radio comprising:a plurality of receive radio frequency (RF) chains, wherein at least a first subset of the plurality of receive RF chains is configured to convert from at least a respective one of a plurality of receive RF signals within at least a first receive frequency band to a respective one of a first plurality of receive chain output signals, and wherein at least a second subset of the plurality of receive RF chains is configured to convert from at least a respective one of a plurality of receive RF signals within at least a second receive frequency band to a respective one of a second plurality of receive chain output signals;
a plurality of transmit radio frequency (RF) chains, wherein at least a first subset of the plurality of transmit RF chains is configured to convert from at least a respective one of a first plurality of transmit chain input signals to a respective one of a plurality of transmit RF signals within a first transmit frequency band, and wherein at least a second subset of the plurality of transmit RF chains is configured to convert from at least a respective one of a second plurality of transmit chain input signals to a respective one of a plurality of transmit RF signals within a second transmit frequency band; and
a plurality of antenna elements, wherein at least a first subset of the plurality of antenna elements is configured to operate over at least both of the first transmit frequency band and the first receive frequency band and each antenna element of the first subset of the plurality of antenna elements is coupled or couplable to at least one of the first subset of the plurality of receive RF chains or coupled or couplable to at least one of the first subset of the plurality of transmit RF chains, and wherein at least a second subset of the plurality of antenna elements is configured to operate over at least both of the second transmit frequency band and the second receive frequency band and each antenna element of the second subset of the plurality of antenna elements is coupled or couplable to at least one of the second subset of the plurality of receive RF chains or coupled or couplable to at least one of the second subset of the plurality of transmit RF chains;
wherein the fixed wireless access radio is configured to provide a base throughput capability using the first receive frequency band and the first transmit frequency band; and
wherein the fixed wireless access radio is further configured to provide a surge throughput capability using the second receive frequency band and the second transmit frequency band.

US Pat. No. 10,284,253

ADVANCED BACKHAUL SERVICES

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1. A first tiered service radio for operating in a radio frequency band according to rules for operation allowing for radios of multiple tiers of service, comprising:a plurality of receive RF chains;
one or more transmit RF chains;
an antenna array comprising a plurality of directive gain antenna elements, wherein each directive gain antenna element is couplable to at least one receive RF or transmit RF chain; and
an interface bridge configured to couple the radio to a data network,
wherein the tiered service radio is configured to perform each of the following:
communicate with a network based registry to determine registry information associated with any registered radios meeting specific criteria, wherein the specific criteria includes at least information associated with at least higher priority tiered service radio devices to that of the first tiered service radio;
scan one or more radio frequency channels for the presence of signature radio signals transmitted from one or more other tiered service radios to generate scan data, and wherein the radio comprises at least one adjustable network parameter that is adjustable based on the scan data,
wherein said scanned one or more radio frequency channels are selected based upon said registry information, and
wherein the at least one network parameter is adjusted to reduce a potential of interference of the first tiered service radio with the other tiered service radios or said registered radios,
wherein the adjusting the at least one network parameter comprises one or more of:
selecting a frequency channel utilized between the first tiered service radio and a second tiered service radio;
adjusting the effective radiation pattern of the first tiered service radio;
selecting one or more of the plurality of directive gain antenna elements; and
adjusting the physical configuration or arrangement of the one or more of the plurality of directive gain antenna elements.

US Pat. No. 10,716,111

BACKHAUL RADIO WITH ADAPTIVE BEAMFORMING AND SAMPLE ALIGNMENT

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1. A backhaul radio comprising:a plurality of receive radio frequency (RF) chains, wherein each receive RF chain is capable of converting from one of a plurality of receive RF signals to a respective one of a plurality of receive chain output signals;
a plurality of directive gain antenna elements; and
a processor at the receiver to compute and feedback the phase and sample timing offset (STO) for optimal beamforming,
wherein the processor is further configured to calculate a plurality of relative STOs and a plurality of relative phase offsets and average and quantize the plurality of relative STOS and the plurality of relative phase offsets to determine the feedback.

US Pat. No. 10,708,918

ELECTRONIC ALIGNMENT USING SIGNATURE EMISSIONS FOR BACKHAUL RADIOS

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1. A backhaul radio comprising:one or more antenna structures collectively having a plurality of selectable radiation patterns for detecting alignment signals;
one or more receivers configured to receive the alignment signals from the one or more antenna structures and provide received signals;
one or more processors for processing the received signals to determine signal properties, wherein at least one of the one or more processors are coupled to at least one of the one or more receivers to receive said received signals;
an interface to couple at least one of the one or more processors to an alignment assisting device;
wherein the alignment signals are transmitted from a second backhaul radio during an alignment process;
wherein the alignment assisting device coordinates between the backhaul radio and the second backhaul radio during the alignment process;
wherein the alignment assisting device comprises a detector for measuring orientation adjustments of the backhaul radio in azimuth and elevation;
wherein at least one of the one or more processors controls the selection of the plurality of selectable radiation patterns and stores the determined signal properties for each of the plurality of selectable radiation patterns;
wherein the alignment assisting device coordinates with at least one of the one or more processors to provide an indication of an alignment adjustment to a user of the alignment assisting device, and
wherein the interface to couple at least one of the one or more processors to an alignment assisting device comprises one or more of:
an internal buss interface;
a Bluetooth interface;
a Wi-Fi interface;
a serial interface; and
a USB interface.

US Pat. No. 10,506,611

RADIO WITH INTERFERENCE MEASUREMENT DURING A BLANKING INTERVAL

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1. A radio for exchanging one or more data interface streams with one or more other radios, said radio comprising:a plurality of receive radio frequency (RF) chains, wherein each receive RF chain is configured to convert from a respective one of a plurality of receive RF signals within a receive frequency band to a respective one of a plurality of receive chain output signals, and wherein each said respective one of the plurality of receive RF signals is characterized by a receive channel combination from amongst a plurality of possible receive channel combinations, each said receive channel combination comprising at least a receive channel center frequency from amongst one or more possible receive channel center frequencies and a receive channel bandwidth from amongst one or more possible receive channel bandwidths;
a plurality of transmit radio frequency (RF) chains, wherein each transmit RF chain is configured to convert from a respective one of a plurality of transmit chain input signals to a respective one of a plurality of transmit RF signals within a transmit frequency band, and wherein each said respective one of the plurality of transmit RF signals is characterized by a transmit channel combination from amongst a plurality of possible transmit channel combinations, each said transmit channel combination comprising at least a transmit channel center frequency from amongst one or more possible transmit channel center frequencies and a transmit channel bandwidth from amongst one or more possible transmit channel bandwidths; and
wherein the radio is configured to determine or estimate one or more performance metrics associated with the at least one or more receive channel combinations, said determining or estimating of the one or more performance metrics being based at least upon the measure of interference; and
wherein the radio is configured to change at least one or more of the plurality of receive RF signals from being characterized by a first receive channel combination to being characterized by a second receive channel combination, said changing being based at least upon an opportunity to improve at least one of the one or more performance metrics.

US Pat. No. 10,356,782

EMBEDDED CONTROL SIGNALING FOR SELF-ORGANIZING WIRELESS BACKHAUL RADIO AND SYSTEMS

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1. A first backhaul radio for at least communicating one or more first information streams to one or more other backhaul radios, said first backhaul radio comprising:one or more directive gain antenna elements;
one or more combiners, wherein each respective combiner is configured to linearly combine at least one of the one or more unique first information streams with one or more associated unique first control signals to provide at least one a respective first combined transmission signal at the same time as at least one or more of a set of symbols associated with at least one of the one or more first information streams, and wherein at least one of the one or more associated first control signals is a spread spectrum signal;
one or more transmitters, wherein each transmitter is configured to be couplable or coupled to at least one of the one or more directive gain antenna elements, and wherein at least one transmitter is configured to transmit at least one respective first combined transmission signal; and
one or more receivers, wherein each receiver is configured to be couplable or coupled to at least one of the one or more directive gain antenna elements, and wherein at least one receiver is configured to receive at least one second combined transmission signal, the at least one second combined transmission signal comprising at least one second information stream and a second control signal from at least one second backhaul radio,
wherein the one or more directive gain antenna elements are arranged on a plurality of facets with one or more directive gain antenna elements per facet, and wherein each facet is oriented at a different azimuth angle relative to at least one other facet.

US Pat. No. 10,700,733

ADVANCED BACKHAUL SERVICES

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1. A radio comprising:a plurality of receive radio frequency (RF) chains;
one or more transmit RF chains;
an antenna array comprising a plurality of directive gain antenna elements, wherein each directive gain antenna element is couplable to at least one receive RF chain or transmit RF chain; and
an interface bridge configured to couple the radio to a data network,
wherein the radio comprises a tiered service radio for operating in a radio frequency band according to rules for operation allowing for radios of multiple tiers of services,
wherein the radio is configured to communicate with a network based registry to determine registry information associated with any registered radios meeting specific criteria, wherein the specific criteria includes at least information associated with at least higher priority tiered service radio devices to that of the first tiered service radio.