Patents by Inventor Doron Ezri

Doron Ezri 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).

  • Publication number: 20240064811
    Abstract: A wireless access point, AP, (110a) is disclosed, which is configured to share a transmission opportunity with at least one further wireless access point (110b) within a Multi-AP set using a Coordinated Beamforming, C-BF, scheme. The wireless AP (110a) comprises a processing circuitry (111) configured to generate a C-BF Null Data PPDU Announcement, C-BF NDPA, frame, wherein the C-BF NDPA frame comprises a Multi-AP set identifier. Moreover, the wireless AP (110a) comprises a communication interface (113) configured to transmit the C-BF NDPA frame to one or more wireless stations (120a) associated with the wireless AP (110a) and/or to one or more further wireless stations (120b) associated with the at least one further wireless AP (110b) within the Multi-AP set.
    Type: Application
    Filed: October 25, 2023
    Publication date: February 22, 2024
    Inventors: Arik Klein, Shimon Shilo, Genadiy Tsodik, Oded Redlich, Avner Epstein, Doron Ezri
  • Publication number: 20230344694
    Abstract: This application relates to the field of communications technologies, in particularly related to wireless fidelity (WIFI) technologies, and provides a method and apparatus for reducing peak to average power ratio (PAPR) for transmitting a physical layer protocol data units (PPDUs). The method can be used for both an access point (AP) and a station (STA). The method comprises: operating on a first disregard bits sequence to obtain a second disregard bits sequence, wherein the first disregard bits sequence is with all bits set to ‘1’, and transmitting the PPDU, wherein the PPDU comprises the second disregard bits sequence.
    Type: Application
    Filed: June 30, 2023
    Publication date: October 26, 2023
    Inventors: Shimon Shilo, Oded Redlich, Ezer Melzer, Doron Ezri, Yoav Levinbook, Genadiy Tsodik, Jian Yu, Mengshi Hu
  • Patent number: 11784864
    Abstract: Embodiments of the present invention provide a physical layer protocol data unit PPDU transmission method and a corresponding PPDU transmission apparatus. Application of the method and apparatus in the embodiments of the present invention enables a receive end to quickly determine the starting position of the feature signal sequence by means of blind detection, and ensures that the receive end quickly completes data processing and status switching.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: October 10, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Meilu Lin, Sheng Liu, Wei Lin, Jian Yu, Le Liu, Xun Yang, Shimon Shilo, Doron Ezri, Genadiy Tsodik, Oded Redlich
  • Patent number: 11784852
    Abstract: A device is configured to calculate a set of channel estimates for a plurality of sub-carriers based on a plurality of pilot-symbols and/or data-symbols carried by said plurality of sub-carriers; calculate a set of equalizers for the plurality of sub-carriers based on the set of channel estimates; perform an equalization on a plurality of data-symbols using the set of equalizers for obtaining a plurality of equalized symbols; perform a soft-slicing or hard-slicing procedure comprising obtaining a plurality of estimated symbols based on the equalized symbols; calculate at least one diagonal-loaded interference-plus-noise covariance matrix, based on the set of estimated symbols; de-map the plurality of data symbols to soft-bits, based on the at least one diagonal-loaded interference-plus-noise covariance matrix, the set of channel estimates or an updated version thereof; and feed the soft-bits to a channel decoder.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: October 10, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yoav Levinbook, Doron Ezri, Nadav Basson, Jie Fu
  • Publication number: 20230319851
    Abstract: A system and method for triggering beamformed uplink (UL) physical layer protocol data units (PPDUs) are disclosed. The system comprises an access point (AP) and one or more stations (STAs). The AP sends a soliciting frame to the one or more STAs, wherein the frame comprises a null data packet, NDP, request, NDPR, indicator and receive an NDP PPDU from each of the one or more solicited STAs. The AP, then computes the precoder for each of the one or more solicited STAs and send the one or more solicited STA a trigger frame with a beamforming report. The AP receives from each of the STAs one or more beamformed UL data packets and sends a block acknowledgement to the one or more solicited STAs indicating the successful receipt of the one or more beamformed UL data packets.
    Type: Application
    Filed: March 29, 2023
    Publication date: October 5, 2023
    Inventors: Shimon Shilo, Genadiy Tsodik, Avner Epstein, Arik Klein, Yaron Ben-Arie, Doron Ezri
  • Publication number: 20230300014
    Abstract: This application relates to the field of communications technologies, in particular Wireless Local Area Network technologies, and provides a method and apparatus for reducing a peak to average power ratio (PAPR) for transmitting a physical layer protocol data unit (PPDU), in particular reducing the PAPR for the U-SIG field. Methods are disclosed for both an access point (AP) and stations (STA).
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Inventors: Shimon Shilo, Oded Redlich, Genadiy Tsodik, Jian Yu, Ming Gan, Ezer Melzer, Doron Ezri, Yoav Levinbook, Mengshi Hu
  • Publication number: 20230299816
    Abstract: 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: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Inventors: Shahar Patury, Avi Weitzman, Doron Ezri, Avner Epstein, Arik Klein
  • Patent number: 11754658
    Abstract: 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: Grant
    Filed: February 21, 2022
    Date of Patent: September 12, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Alexander Kobzantsev, Doron Ezri, Avi Weitzman, Chun Pan, Xingfeng Jiang, Jie Fu
  • Publication number: 20230216553
    Abstract: A wireless transmitting device is configured to: obtain a compressed-mode PPDU that includes one or more SC fields, where each SC field corresponds to one MU-MIMO group of the one or more MU-MIMO groups and is indicative of a spatial stream configuration for user devices of that MU-MIMO group; and transmit the PPDU to the user devices of the one or more MU-MIMO groups over a predetermined BW. Further, a user device is configured to: receive a compressed-mode PPDU from a wireless transmitting device; and decode the PPDU to obtain a SC field corresponding to the MU-MIMO group that the user device belongs to.
    Type: Application
    Filed: March 10, 2023
    Publication date: July 6, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Oded REDLICH, Shimon SHILO, Jian YU, Doron EZRI, Avner EPSTEIN, Arik KLEIN, Genadiy TSODIK
  • Patent number: 11677534
    Abstract: 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: Grant
    Filed: January 8, 2021
    Date of Patent: June 13, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Genadiy Tsodik, Shimon Shilo, Doron Ezri, Avi Weitzman, Oren Hencinski, Leonid Epstein, Oded Redlich
  • Publication number: 20230136183
    Abstract: 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: Application
    Filed: November 8, 2022
    Publication date: May 4, 2023
    Inventors: Michael Kadichevitz, Doron Ezri, Avi Weitzman, Xiao Zhou, Xin Luo
  • Publication number: 20230041746
    Abstract: Embodiments of the present invention provide a physical layer protocol data unit PPDU transmission method and a corresponding PPDU transmission apparatus. Application of the method and apparatus in the embodiments of the present invention enables a receive end to quickly determine the starting position of the feature signal sequence by means of blind detection, and ensures that the receive end quickly completes data processing and status switching.
    Type: Application
    Filed: June 27, 2022
    Publication date: February 9, 2023
    Inventors: Meilu LIN, Sheng LIU, Wei LIN, Jian YU, Le LIU, Xun YANG, Shimon SHILO, Doron EZRI, Genadiy TSODIK, Oded REDLICH
  • Publication number: 20230027617
    Abstract: 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: Application
    Filed: October 5, 2022
    Publication date: January 26, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Avi WEITZMAN, Doron EZRI, Ezer MELZER, Shahar PATURY, Xingfeng JIANG
  • Publication number: 20220377745
    Abstract: The method includes: receiving, by a second transmit end, policy information sent by a first transmit end, where the second transmit end belongs to a second BSS, the first transmit end is a transmit end that is in a first basis service set and that transmits data by using a first link, and the policy information is used to indicate a condition that the second transmit end needs to satisfy to transmit data by using a second link, or used to indicate whether the second transmit end is allowed to transmit data by using a second link; and determining, by the second transmit end based on the policy information, whether to transmit data by using the second link. According to the wireless communication method, a spatial reuse transmission policy can be adjusted dynamically based on an actual situation of a current network. This improves a system throughput.
    Type: Application
    Filed: August 8, 2022
    Publication date: November 24, 2022
    Inventors: Genadiy TSODIK, Shimon SHILO, Doron EZRI, Oded REDLICH, Wei LIN, Jun LUO
  • Publication number: 20220320754
    Abstract: 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: Application
    Filed: March 18, 2022
    Publication date: October 6, 2022
    Inventors: Michael KADICHEVITZ, Doron EZRI, Avi WEITZMAN, Xiao ZHOU, Yi CHEN, Xin LUO, Yuping SHU
  • Patent number: 11452109
    Abstract: The method includes: receiving, by a second transmit end, policy information sent by a first transmit end, where the second transmit end belongs to a second BSS, the first transmit end is a transmit end that is in a first basis service set and that transmits data by using a first link, and the policy information is used to indicate a condition that the second transmit end needs to satisfy to transmit data by using a second link, or used to indicate whether the second transmit end is allowed to transmit data by using a second link; and determining, by the second transmit end based on the policy information, whether to transmit data by using the second link. According to the wireless communication method, a spatial reuse transmission policy can be adjusted dynamically based on an actual situation of a current network. This improves a system throughput.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: September 20, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Genadiy Tsodik, Shimon Shilo, Doron Ezri, Oded Redlich, Wei Lin, Jun Luo
  • Patent number: 11451423
    Abstract: A midamble indication method includes sending, by a first device, midamble indication information to a second device. A duration of a midamble indicated by the midamble indication information is greater than or equal to a threshold. The threshold is related to a processing capability of the second device. In a midamble receiving method, the second device receives the midamble according to the indication information.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: September 20, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jian Yu, Shimon Shilo, Genadiy Tsodik, Oded Redlich, Yaron Ben-Arie, Doron Ezri, Ming Gan
  • Patent number: 11398938
    Abstract: Embodiments of the present invention provide a physical layer protocol data unit PPDU transmission method and a corresponding PPDU transmission apparatus. Application of the method and apparatus in the embodiments of the present invention enables a receive end to quickly determine the starting position of the feature signal sequence by means of blind detection, and ensures that the receive end quickly completes data processing and status switching.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: July 26, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Meilu Lin, Sheng Liu, Wei Lin, Jian Yu, Le Liu, Xun Yang, Shimon Shilo, Doron Ezri, Genadiy Tsodik, Oded Redlich
  • Publication number: 20220217019
    Abstract: A device is configured to calculate a set of channel estimates for a plurality of sub-carriers based on a plurality of pilot-symbols and/or data-symbols carried by said plurality of sub-carriers; calculate a set of equalizers for the plurality of sub-carriers based on the set of channel estimates; perform an equalization on a plurality of data-symbols using the set of equalizers for obtaining a plurality of equalized symbols; perform a soft-slicing or hard-slicing procedure comprising obtaining a plurality of estimated symbols based on the equalized symbols; calculate at least one diagonal-loaded interference-plus-noise covariance matrix, based on the set of estimated symbols; de-map the plurality of data symbols to soft-bits, based on the at least one diagonal-loaded interference-plus-noise covariance matrix, the set of channel estimates or an updated version thereof; and feed the soft-bits to a channel decoder.
    Type: Application
    Filed: March 24, 2022
    Publication date: July 7, 2022
    Inventors: Yoav Levinbrook, Doron Ezri, Nadav Basson, Jie Fu
  • Publication number: 20220209422
    Abstract: 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: Application
    Filed: March 17, 2022
    Publication date: June 30, 2022
    Inventors: Michael KADICHEVITZ, Doron EZRI, Avi WEITZMAN, Xiao ZHOU, Yi CHEN, Xin LUO, Yuping SHU