Patents Assigned to Aviat U.S., Inc.
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Patent number: 11962489Abstract: A first layer one link aggregation master comprises a first port coupled to receive customer traffic; a first channel; a second channel; an aggregation engine coupled to the first and second channels; a first switch circuit coupled to the first port and to the first channel, and configured to communicate the customer traffic from the first port over the first channel to the aggregation engine, the aggregation engine including a splitter circuit configured to use layer one information to segment at least a portion of the customer traffic into a first virtual container and a second virtual container, the aggregation engine further including an encapsulation circuit configured to encapsulate the second virtual container using Ethernet standards for transport over the second channel; a radio access card configured to generate an air frame based on the first virtual container for wireless transmission over a first wireless link of a link aggregation group to the receiver; and a second switch circuit coupled to theType: GrantFiled: May 15, 2023Date of Patent: April 16, 2024Assignee: Aviat U.S., Inc.Inventors: Chaoming Zeng, Sergio Licardie
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Patent number: 11916722Abstract: Rapid failure detection and recovery in wireless communication networks is needed in order to meet, among other things, carrier class Ethernet transport channel standards. Thus, resilient wireless packet communications is provided using a hardware-assisted rapid transport channel failure detection algorithm and a Gigabit Ethernet data access card with an engine configured accordingly. In networks with various topologies, this is provided in combination with their existing protocols, such as rapid spanning tree and link aggregation protocols, respectively.Type: GrantFiled: January 13, 2023Date of Patent: February 27, 2024Assignee: Aviat U.S., Inc.Inventors: Alain Hourtane, Sergio Licardie, Chaoming Zeng
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Patent number: 11916780Abstract: A system and method to transmit frames from a first node to a second node over a plurality of radio links comprising a classifier to classify said frames according to one of a plurality of flow and a sequence number within said one of said plurality of flow and adding said flow and sequence number in a header of said classified frame a splitter receiving said classified frames from said classifier and distributing said classified frames on one of said plurality of radio links for transmission to said second node, a joiner receiving said classified frames and reordering them using an indexed sequence queue corresponding to each of said plurality of flows, a timer for waiting for frames missing in the sequence in one of said indexed sequence queue, wherein when said timer expires, if said frame has not arrived it is deemed lost and a forwarder to extract frames from said sequence queue to forward.Type: GrantFiled: November 28, 2022Date of Patent: February 27, 2024Assignee: Aviat U.S., Inc.Inventors: Ian McCallum, Bogdan Barna, Andrew Spurgeon
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Patent number: 11815320Abstract: A general purpose enclosure is provided. A general purpose enclosure for housing an internal unit and providing complete protection against an ingress of dust and water, comprising a first housing and a second housing. A plurality of cooling fins and one or more pressure ports along an exterior surface of the first housing and the second housing. One or more pressure ports comprising a pneumatic valve, pressure sensor cap and a vent membrane such that pressure venting, and pressure testing may be performed by the one or more pressure ports. A method of assembling a general purpose enclosure to an internal unit, comprising applying the first housing and the second housing to the internal unit such that the first housing and the second housing encompass the internal unit and fastening the first housing to the second house.Type: GrantFiled: November 3, 2022Date of Patent: November 14, 2023Assignee: Aviat U.S., Inc.Inventors: Mark D. Bassett, Brad Stimpson
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Patent number: 11777829Abstract: An example method comprises receiving, by a first PHY of a first transceiver, a timing packet, timestamping, by the first transceiver, the timing packet and providing the timing packet to a first intermediate node, determining a first offset between the first intermediate node and the first transceiver, updating a first field within the timing packet with the first offset between the first intermediate node and the first transceiver, the offset being in the direction of the second transceiver, receiving the timing packet by a second transceiver, the timing packet including the first field, information within the first field being at least based on the first offset, determining a second offset between the second transceiver and an intermediate node that provided the timing packet to the second transceiver and correcting a time of the second transceiver based on the information within the first field and the second offset.Type: GrantFiled: July 5, 2022Date of Patent: October 3, 2023Assignee: Aviat U.S., Inc.Inventors: Janez Mihelic, Tadej Markovic
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Patent number: 11652740Abstract: A first layer one link aggregation master comprises a first port coupled to receive customer traffic; a first channel; a second channel; an aggregation engine coupled to the first and second channels; a first switch circuit coupled to the first port and to the first channel, and configured to communicate the customer traffic from the first port over the first channel to the aggregation engine, the aggregation engine including a splitter circuit configured to use layer one information to segment at least a portion of the customer traffic into a first virtual container and a second virtual container, the aggregation engine further including an encapsulation circuit configured to encapsulate the second virtual container using Ethernet standards for transport over the second channel; a radio access card configured to generate an air frame based on the first virtual container for wireless transmission over a first wireless link of a link aggregation group to the receiver; and a second switch circuit coupled to theType: GrantFiled: November 1, 2021Date of Patent: May 16, 2023Assignee: Aviat U.S., Inc.Inventors: Chaoming Zeng, Sergio Licardie
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Patent number: 11581963Abstract: An interference detection system comprises memory storing computer instructions to cause a processor to perform gathering a temporal snapshot of radio parameter values associated with a first site of a point-to-point radio system, the radio parameter values including at least a receive signal level (RSL) value and at least one other radio parameter value correlated with signal degradation; determining whether the RSL value is greater than an RSL threshold; determining whether the other radio parameter value indicates a threshold level of signal degradation; when the RSL is greater than the RSL threshold and the other parameter indicates a threshold level of signal degradation during the temporal snapshot, determining that external interference is present during the temporal snapshot; when the RSL is not greater than the RSL threshold, determining that the external interference is not present; and performing a responsive action to a determination of the external interference being likely present.Type: GrantFiled: April 19, 2022Date of Patent: February 14, 2023Assignee: Aviat U.S., Inc.Inventors: Gary Croke, Sergio Licardie, Robert Vilhar, Sreco Plevel, Marius Koegelenberg
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Patent number: 11570036Abstract: Rapid failure detection and recovery in wireless communication networks is needed in order to meet, among other things, carrier class Ethernet transport channel standards. Thus, resilient wireless packet communications is provided using a hardware-assisted rapid transport channel failure detection algorithm and a Gigabit Ethernet data access card with an engine configured accordingly. In networks with various topologies, this is provided in combination with their existing protocols, such as rapid spanning tree and link aggregation protocols, respectively.Type: GrantFiled: November 1, 2021Date of Patent: January 31, 2023Assignee: Aviat U.S., Inc.Inventors: Alain Hourtane, Sergio Licardie, Chaoming Zeng
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Patent number: 11558285Abstract: Rapid channel failure detection and recovery in wireless communication networks is needed in order to meet, among other things, carrier class Ethernet channel standards. Thus, resilient wireless packet communications is provided using a physical layer link aggregation protocol with a hardware-assisted rapid channel failure detection algorithm and load balancing, preferably in combination. This functionality may be implemented in a Gigabit Ethernet data access card with an engine configured accordingly. In networks with various topologies, these features may be provided in combination with their existing protocols.Type: GrantFiled: December 10, 2019Date of Patent: January 17, 2023Assignee: Aviat U.S., Inc.Inventors: Sergio Licardie, Chaoming Zeng
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Patent number: 11476963Abstract: An example system comprising a first transceiver configured to receive a request airframe from a second transceiver over a wireless link, the request airframe including a first time indication indicating a first time TS1, a second time indication indicating a second time TS2 that the request airframe was received, generate a respond airframe and including a third time indication indicating a third time TS3 that the respond airframe is transmitted to the second transceiver, transmit the respond airframe to the second transceiver, provide a timestamp information request to second transceiver, receive a timestamp information response, the timestamp information response including a fourth time indication indicating a fourth time TS4, calculate a counter offset using the first time, second time, third time and fourth time as follows: counter ? ? offset = ( TS ? ? 1 + TS ? ? 4 - TS ? ? 3 - TS ? ? 2 ) 2 , calculate a phase offset based on the counter offset, and correct a phaType: GrantFiled: December 14, 2020Date of Patent: October 18, 2022Assignee: Aviat U.S., Inc.Inventors: Tadej Markovic, Janez Mihelic
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Publication number: 20220303170Abstract: Rapid failure detection and recovery in wireless communication networks is needed in order to meet, among other things, carrier class Ethernet transport channel standards. Thus, resilient wireless packet communications is provided using a hardware-assisted rapid transport channel failure detection algorithm and a Gigabit Ethernet data access card with an engine configured accordingly. In networks with various topologies, this is provided in combination with their existing protocols, such as rapid spanning tree and link aggregation protocols, respectively.Type: ApplicationFiled: November 1, 2021Publication date: September 22, 2022Applicant: Aviat U.S., Inc.Inventors: Alain Hourtane, Sergio Licardie, Chaoming Zeng
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Publication number: 20220174001Abstract: A first layer one link aggregation master comprises a first port coupled to receive customer traffic; a first channel; a second channel; an aggregation engine coupled to the first and second channels; a first switch circuit coupled to the first port and to the first channel, and configured to communicate the customer traffic from the first port over the first channel to the aggregation engine, the aggregation engine including a splitter circuit configured to use layer one information to segment at least a portion of the customer traffic into a first virtual container and a second virtual container, the aggregation engine further including an encapsulation circuit configured to encapsulate the second virtual container using Ethernet standards for transport over the second channel; a radio access card configured to generate an air frame based on the first virtual container for wireless transmission over a first wireless link of a link aggregation group to the receiver; and a second switch circuit coupled to theType: ApplicationFiled: November 1, 2021Publication date: June 2, 2022Applicant: Aviat U.S., Inc.Inventors: Chaoming Zeng, Sergio Licardie
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Patent number: 11309978Abstract: An interference detection system comprises memory storing computer instructions to cause a processor to perform gathering a temporal snapshot of radio parameter values associated with a first site of a point-to-point radio system, the radio parameter values including at least a receive signal level (RSL) value and at least one other radio parameter value correlated with signal degradation; determining whether the RSL value is greater than an RSL threshold; determining whether the other radio parameter value indicates a threshold level of signal degradation; when the RSL is greater than the RSL threshold and the other parameter indicates a threshold level of signal degradation during the temporal snapshot, determining that external interference is present during the temporal snapshot; when the RSL is not greater than the RSL threshold, determining that the external interference is not present; and performing a responsive action to a determination of the external interference being likely present.Type: GrantFiled: February 19, 2021Date of Patent: April 19, 2022Assignee: Aviat U.S., Inc.Inventors: Gary Croke, Sergio Licardie, Robert Vilhar, Sreco Plevel, Marius Koegelenberg
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Patent number: 11291005Abstract: An example system comprises a router configured to receive a bandwidth update associated with a change in bandwidth over a wireless channel, determine if the change in bandwidth identified in the bandwidth update results in bandwidth being over-reserved at at least one priority level, previously reserved bandwidth of the wireless channel being associated with a plurality of different priority levels, the previously reserved bandwidth being previously reserved based on a plurality of path requests from a head end router, each path request including at least one priority level and a bandwidth reservation request, if the change in bandwidth results in bandwidth being over-reserved, then preempt a lowest priority path request, based in the preemption of the lowest priority path request, update reserved bandwidth of the wireless channel of at least one priority level, and provide a message to the head end router regarding the change of bandwidth.Type: GrantFiled: May 5, 2020Date of Patent: March 29, 2022Assignee: Aviat U.S., Inc.Inventor: Chaoming Zeng
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Patent number: 11165630Abstract: Rapid failure detection and recovery in wireless communication networks is needed in order to meet, among other things, carrier class Ethernet transport channel standards. Thus, resilient wireless packet communications is provided using a hardware-assisted rapid transport channel failure detection algorithm and a Gigabit Ethernet data access card with an engine configured accordingly. In networks with various topologies, this is provided in combination with their existing protocols, such as rapid spanning tree and link aggregation protocols, respectively.Type: GrantFiled: December 3, 2019Date of Patent: November 2, 2021Assignee: Aviat U.S., Inc.Inventors: Alain Hourtane, Sergio Licardie, Chaoming Zeng
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Patent number: 11165687Abstract: A first layer one link aggregation master comprises a first port coupled to receive customer traffic; a first channel; a second channel; an aggregation engine coupled to the first and second channels; a first switch circuit coupled to the first port and to the first channel, and configured to communicate the customer traffic from the first port over the first channel to the aggregation engine, the aggregation engine including a splitter circuit configured to use layer one information to segment at least a portion of the customer traffic into a first virtual container and a second virtual container, the aggregation engine further including an encapsulation circuit configured to encapsulate the second virtual container using Ethernet standards for transport over the second channel; a radio access card configured to generate an air frame based on the first virtual container for wireless transmission over a first wireless link of a link aggregation group to the receiver; and a second switch circuit coupled to theType: GrantFiled: January 13, 2020Date of Patent: November 2, 2021Assignee: Aviat U.S., Inc.Inventors: Chaoming Zeng, Sergio Licardie
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Publication number: 20210320732Abstract: An interference detection system comprises memory storing computer instructions to cause a processor to perform gathering a temporal snapshot of radio parameter values associated with a first site of a point-to-point radio system, the radio parameter values including at least a receive signal level (RSL) value and at least one other radio parameter value correlated with signal degradation; determining whether the RSL value is greater than an RSL threshold; determining whether the other radio parameter value indicates a threshold level of signal degradation; when the RSL is greater than the RSL threshold and the other parameter indicates a threshold level of signal degradation during the temporal snapshot, determining that external interference is present during the temporal snapshot; when the RSL is not greater than the RSL threshold, determining that the external interference is not present; and performing a responsive action to a determination of the external interference being likely present.Type: ApplicationFiled: February 19, 2021Publication date: October 14, 2021Applicant: Aviat U.S., Inc.Inventors: Gary Croke, Sergio Licardie, Robert Vilhar, Sreco Plevel, Marius Koegelenberg
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Publication number: 20210152268Abstract: An example system comprising a first transceiver configured to receive a request airframe from a second transceiver over a wireless link, the request airframe including a first time indication indicating a first time TS1, a second time indication indicating a second time TS2 that the request airframe was received, generate a respond airframe and including a third time indication indicating a third time TS3 that the respond airframe is transmitted to the second transceiver, transmit the respond airframe to the second transceiver, provide a timestamp information request to second transceiver, receive a timestamp information response, the timestamp information response including a fourth time indication indicating a fourth time TS4, calculate a counter offset using the first time, second time, third time and fourth time as follows: counter ? ? offset = ( TS ? ? 1 + TS ? ? 4 - TS ? ? 3 - TS ? ? 2 ) 2 , calculate a phase offset based on the counter offset, and correct a phaType: ApplicationFiled: December 14, 2020Publication date: May 20, 2021Applicant: Aviat U.S., Inc.Inventors: Tadej Markovic, Janez Mihelic
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Patent number: 11005510Abstract: An example system comprises a first antenna and a modem. The first antenna is configured to receive a signal from a transmitting radio frequency unit. The signal includes data and a known sequence. The modem is configured to retrieve the known sequence from the signal, transform the known sequence and the data into a frequency domain, calculate averages of groups of neighboring frequency points in the frequency domain to reduce the effect of nonlinear noise in the signal, the neighboring frequency points corresponding to the preamble in the frequency domain, compare the calculated averages to an expected frequency response in the frequency domain, determine a correction filter to apply to the data based on the comparison, apply the correction filter on the data in the frequency domain to create corrected data, transform the corrected data from the frequency domain to the time domain, and provide the data.Type: GrantFiled: December 5, 2019Date of Patent: May 11, 2021Assignee: Aviat U.S., Inc.Inventor: Sreco Plevel
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Publication number: 20210083958Abstract: An example method comprises receiving, by a first PHY of a first transceiver, a timing packet, timestamping, by the first transceiver, the timing packet and providing the timing packet to a first intermediate node, determining a first offset between the first intermediate node and the first transceiver, updating a first field within the timing packet with the first offset between the first intermediate node and the first transceiver, the offset being in the direction of the second transceiver, receiving the timing packet by a second transceiver, the timing packet including the first field, information within the first field being at least based on the first offset, determining a second offset between the second transceiver and an intermediate node that provided the timing packet to the second transceiver and correcting a time of the second transceiver based on the information within the first field and the second offset.Type: ApplicationFiled: December 1, 2020Publication date: March 18, 2021Applicant: Aviat U.S., Inc.Inventors: Janez Mihelic, Tadej Markovic