Patents by Inventor Avi Weitzman
Avi Weitzman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11978963Abstract: An antenna device includes a plurality of dipole antennas and a port. Each of the dipole antennas is connected to the port. The dipole antennas are arranged around the port. Each of the dipole antennas comprises two ends. The device further includes a plurality of passive elements. The ends of the dipole antennas and the passive elements are interchangeably arranged around the port such that each of the passive elements is situated between ends of two different antennas from the plurality of dipole antennas. One or more switches are configured to switch between an omnidirectional state, in which the ends of the dipole antennas are not connected to the plurality of passive elements, and a directional state, in which at least one end of one of the passive elements is connected to at least one end of one of the antennas.Type: GrantFiled: March 18, 2022Date of Patent: May 7, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Michael Kadichevitz, Doron Ezri, Avi Weitzman, Xiao Zhou, Yi Chen, Xin Luo, Yuping Shu
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Publication number: 20230309169Abstract: A multi-link wireless access point (AP) is configured to exchange a plurality of frames via a plurality of setup links with a plurality of multi-link wireless non-AP stations in a wireless communication network. The multi-link wireless AP comprises a communication interface configured to send a management frame to at least one of the plurality of multi-link wireless non-AP stations operating on a first setup link, wherein the management frame comprises information for the at least one of the plurality of multi-link wireless non-AP stations for identifying at least the first setup link of the plurality of setup links to be disabled. The multi-link wireless AP further comprises a processing circuitry configured to, in response to sending the management frame, disable at least the first setup link for reducing a power required to operate at least the first setup link.Type: ApplicationFiled: May 25, 2023Publication date: September 28, 2023Inventors: Arik Klein, Shimon Shilo, Avi Weitzman, Avner Epstein
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Publication number: 20230299816Abstract: A wireless initiator access point comprising a communication interface with an array of antennas and configured to operate the array of antennas with a precoding configuration for multi-user multiple-input multiple-output (MU-MIMO) communication with a plurality of wireless stations; send a Null Data Packet (NDP) Announcement frame to the wireless stations; trigger a wireless participator access point to send an NDP frame to the wireless stations; receive a plurality of Compressed Beamforming frames from the wireless stations; and forward the Compressed Beamforming frames to the wireless participator access point.Type: ApplicationFiled: May 24, 2023Publication date: September 21, 2023Inventors: Shahar Patury, Avi Weitzman, Doron Ezri, Avner Epstein, Arik Klein
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Patent number: 11754658Abstract: A radio station, in particular an access point, for client localization in a multipath indoor environment is disclosed. The radio station comprises: a circular antenna array comprising uniform circularly arranged antenna elements; and a processor configured to: transform first input data from the circular antenna array into second input data using a transform that transforms the first steering vector of the circular antenna array into a second steering vector of a virtual linear antenna array; and transform the second input data into third input data by using a transform that transforms the second steering vector of the virtual linear antenna array into a third steering vector of a second virtual linear antenna array, comprising a larger number of antenna elements than the virtual linear antenna array; and determine an angle of arrival based on the third input data.Type: GrantFiled: February 21, 2022Date of Patent: September 12, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Alexander Kobzantsev, Doron Ezri, Avi Weitzman, Chun Pan, Xingfeng Jiang, Jie Fu
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Patent number: 11677534Abstract: A device resolves a collision between its transmission and a simultaneous transmission of another device. The device is configured to interrupt its transmission, determine a negotiation signal, and determine at least one available resource to occupy with the negotiation signal during a negotiation period. Further, the device is configured to transmit the negotiation signal on the at least one available resource and simultaneously receive a negotiation signal on another resource from at least one other device during the negotiation period. Then, the device is configured to decide, based on all negotiation signals, whether to retransmit the interrupted transmission after the negotiation period.Type: GrantFiled: January 8, 2021Date of Patent: June 13, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Genadiy Tsodik, Shimon Shilo, Doron Ezri, Avi Weitzman, Oren Hencinski, Leonid Epstein, Oded Redlich
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Publication number: 20230136183Abstract: An antenna for a wireless communication device, such as a Wi-Fi access point is provided. The antenna includes an electrically conductive radiation structure including a plurality of radially extending radiation slots, each of which has an open outer end at a perimeter of the electrically conductive radiation structure and defines a respective radiation portion of the electrically conductive radiation structure. The antenna includes a feeding network configured to feed an RF signal to the electrically conductive radiation structure, the feeding network includes a plurality of feeding arms configured to feed the RF signal into each radiation portion of the electrically conductive radiation structure for exciting each radiation portion to emit electromagnetic waves.Type: ApplicationFiled: November 8, 2022Publication date: May 4, 2023Inventors: Michael Kadichevitz, Doron Ezri, Avi Weitzman, Xiao Zhou, Xin Luo
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Publication number: 20230027617Abstract: A positioning method and apparatus, a WLAN device, and a storage medium are disclosed, and relates to the field of positioning technologies. The positioning method includes: a WLAN device obtains an uplink scheduling parameter sent by another WLAN device to a plurality of to-be-positioned WLAN devices, where the uplink scheduling parameter is used to indicate radio resources allocated to the plurality of to-be-positioned WLAN devices; the WLAN device receives uplink signals; and the WLAN device measures respective positioning data of the plurality of to-be-positioned WLAN devices based on the radio resources of the plurality of to-be-positioned WLAN devices and the received uplink signals. The embodiments can improve positioning timeliness of the to-be-positioned WLAN devices.Type: ApplicationFiled: October 5, 2022Publication date: January 26, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Avi WEITZMAN, Doron EZRI, Ezer MELZER, Shahar PATURY, Xingfeng JIANG
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Publication number: 20220320754Abstract: An antenna device includes a plurality of dipole antennas and a port. Each of the dipole antennas is connected to the port. The dipole antennas are arranged around the port. Each of the dipole antennas comprises two ends. The device further includes a plurality of passive elements. The ends of the dipole antennas and the passive elements are interchangeably arranged around the port such that each of the passive elements is situated between ends of two different antennas from the plurality of dipole antennas. One or more switches are configured to switch between an omnidirectional state, in which the ends of the dipole antennas are not connected to the plurality of passive elements, and a directional state, in which at least one end of one of the passive elements is connected to at least one end of one of the antennas.Type: ApplicationFiled: March 18, 2022Publication date: October 6, 2022Inventors: Michael KADICHEVITZ, Doron EZRI, Avi WEITZMAN, Xiao ZHOU, Yi CHEN, Xin LUO, Yuping SHU
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Publication number: 20220224424Abstract: A Multiple-Input Multiple-Output (MIMO) device comprises an array of multiple antennas and a circuitry configured to receive, using the array of multiple antennas, a plurality of calibration signals from a plurality of proximate wireless MIMO devices, calibrate the wireless MIMO device based on the received calibration signals and based on known directions from the wireless MIMO device to each of the proximate wireless MIMO devices, and drive the array of multiple antennas to emit a beam-formed calibration signal to each of the proximate wireless devices in order to enable each of the proximate wireless MIMO devices to calibrate itself.Type: ApplicationFiled: April 1, 2022Publication date: July 14, 2022Inventors: Alexander Kobzantsev, Doron Erzi, Avi Weitzman, Chun Pan, Xingfeng Jiang, Jie Fu
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Publication number: 20220209422Abstract: An antenna device includes a plurality of dipole antennas and a port. Each of the dipole antennas is connected to the port. The plurality of dipole antennas is arranged around the port. Each of the plurality of dipole antennas includes two ends. The ends of the dipole antennas are arranged in a plurality of pairs. Each pair includes one end of one of the dipole antennas and one end of another one of the dipole antennas. The two ends in each pair are arranged in proximity to each other. One or more switches are configured to switch between (1) an omnidirectional state, in which the ends of the dipole antennas are not connected to each other; and (2) a directional state, in which the two ends in each of one or more of the pairs are connected to each other.Type: ApplicationFiled: March 17, 2022Publication date: June 30, 2022Inventors: Michael KADICHEVITZ, Doron EZRI, Avi WEITZMAN, Xiao ZHOU, Yi CHEN, Xin LUO, Yuping SHU
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Publication number: 20220196778Abstract: A radio station, in particular an access point, for client localization in a multipath indoor environment is disclosed. The radio station comprises: a circular antenna array comprising uniform circularly arranged antenna elements; and a processor configured to: transform first input data from the circular antenna array into second input data using a transform that transforms the first steering vector of the circular antenna array into a second steering vector of a virtual linear antenna array; and transform the second input data into third input data by using a transform that transforms the second steering vector of the virtual linear antenna array into a third steering vector of a second virtual linear antenna array, comprising a larger number of antenna elements than the virtual linear antenna array; and determine an angle of arrival based on the third input data.Type: ApplicationFiled: February 21, 2022Publication date: June 23, 2022Inventors: Alexander Kobzantsev, Doron Ezri, Avi Weitzman, Chun Pan, Xingfeng Jiang, Jie Fu
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Patent number: 11363632Abstract: A device on a wireless network generates duration data for determining a duration of a time interval. A transmission is then instructed, by the device, to transmit the duration data and a downlink payload including an aggregated Media Access Control (MAC) layer data unit, the downlink payload being transmitted on first subcarriers. The transmission also includes a trigger that configures the at least one other device on the network to transmit an uplink payload within the time interval, and during at least part of the transmission of the downlink payload, on second subcarriers that are at different frequencies to the first subcarriers.Type: GrantFiled: May 29, 2020Date of Patent: June 14, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Leonid Epstein, Shimon Shilo, Avi Weitzman, Genadiy Tsodik, Doron Ezri, Jian Yu
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Patent number: 11202261Abstract: An apparatus and method for communications, wherein a communication device comprises a processor configured to perform during a time period a determination if a transmission medium is free for communication, and a transmitter configured to transmit a wake-up signal on the transmission medium if the transmission medium is free.Type: GrantFiled: September 5, 2019Date of Patent: December 14, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Avi Weitzman, Genadiy Tsodik, Shimon Shilo, Doron Ezri, Ohad Klausner, Ming Gan
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Publication number: 20210203458Abstract: A system of wireless communication by an access point (AP) comprising: a receiver adapted to receive a plurality of messages each originated from one of a plurality of client devices and each indicative of a spectral mask capability thereof; a processor adapted to calculate a channel assignment scheme for allocating bandwidth and/or communication channels to the plurality of client devices based on the spectral mask capability of each of the plurality of client devices; and a transmitter adapted to transmit to each of the plurality of client devices instructions to set transmission frequency based on the calculated channel assignment scheme.Type: ApplicationFiled: March 2, 2021Publication date: July 1, 2021Inventors: Oded Redlich, Shimon Shilo, Avi Weitzman, Genadiy Tsodik, Doron Ezri
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Publication number: 20210135835Abstract: A device resolves a collision between its transmission and a simultaneous transmission of another device. The device is configured to interrupt its transmission, determine a negotiation signal, and determine at least one available resource to occupy with the negotiation signal during a negotiation period. Further, the device is configured to transmit the negotiation signal on the at least one available resource and simultaneously receive a negotiation signal on another resource from at least one other device during the negotiation period. Then, the device is configured to decide, based on all negotiation signals, whether to retransmit the interrupted transmission after the negotiation period.Type: ApplicationFiled: January 8, 2021Publication date: May 6, 2021Inventors: Genadiy TSODIK, Shimon SHILO, Doron EZRI, Avi WEITZMAN, Oren HENCINSKI, Leonid EPSTEIN, Oded REDLICH
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Patent number: 10945295Abstract: The disclosure relates to an access point device (AP) for communicating with a client device (STA). The AP may include a transceiver configured to transmit a first data packet indicating a set of groups, wherein each group of the set of groups is associated with a specific set of transmission parameters. The transceiver of the AP may also be configured to transmit a second data packet indicating an allocation for at least part of the groups. Furthermore, the transceiver of the AP may also be configured to receive a response frame using at least part of random access (RA) resources selected by the STA for the at least part of the groups.Type: GrantFiled: April 30, 2019Date of Patent: March 9, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Genadiy Tsodik, Shimon Shilo, Doron Ezri, Avi Weitzman, Oded Redlich
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Patent number: 10827531Abstract: The application relates to an access point type communication device (110) configured to allocate a plurality of random access resources to a set of associated client type communication devices (120a-c). The access point type communication device (110) comprises a controller (111) configured to maintain a set of association identifiers, wherein each identifier of the set of association identifiers is configured to identify a respective client type communication device of the set of client type communication devices (120a-c), as well as a set of random access identifiers. In an embodiment, the access point type communication device (110) further comprises an allocator (113) configured to allocate the plurality of random access resources to the set of client type communication devices (120a-c) on the basis of the set of random access identifiers.Type: GrantFiled: September 7, 2018Date of Patent: November 3, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Genadiy Tsodik, Shimon Shilo, Doron Ezri, Avi Weitzman, Jiayin Zhang
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Publication number: 20200344801Abstract: A device on a wireless network generates duration data for determining a duration of a time interval. A transmission is then instructed, by the device, to transmit the duration data and a downlink payload including an aggregated Media Access Control (MAC) layer data unit, the downlink payload being transmitted on first subcarriers. The transmission also includes a trigger that configures the at least one other device on the network to transmit an uplink payload within the time interval, and during at least part of the transmission of the downlink payload, on second subcarriers that are at different frequencies to the first subcarriers.Type: ApplicationFiled: May 29, 2020Publication date: October 29, 2020Inventors: Leonid EPSTEIN, Shimon SHILO, Avi WEITZMAN, Genadiy TSODIK, Doron EZRI, Jian YU
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Publication number: 20200120493Abstract: The present invention proposes apparatus and method for transmissions.Type: ApplicationFiled: December 16, 2019Publication date: April 16, 2020Inventors: Ohad KLAUSNER, Avi WEITZMAN, Shimon SHILO, Doron EZRI
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Publication number: 20200059993Abstract: A device provides a soft access point in, for example, a wireless network. The device sends, to an access point, a resource request message that includes cluster information about a cluster of network units connected to the device. The access point allocates first resources for communications within the cluster according to the cluster information, and sends to the device a resource allocation message specifying the first resources. The device uses the first resources for communications within the cluster.Type: ApplicationFiled: October 28, 2019Publication date: February 20, 2020Inventors: Genadiy TSODIK, Shimon SHILO, Doron EZRI, Avi WEITZMAN, Oded REDLICH, Ping FANG