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公开(公告)号：US20160119239A1
公开(公告)日：2016-04-28
申请号：US14985978
申请日：2015-12-31
发明人： Avi Weitzman , Doron Ezri , Shimi Shilo , Fuqing Sun , Wei Ruan , Ronghu Fan
IPC分类号： H04L12/803 , H04L12/851 , H04W72/04 , H04W16/04
摘要： An apparatus and a method for providing an efficient multi-client access in a WLAN, the method comprising the step of: when the number of clients exceeds a threshold, creating at least two virtual access points (VAP1, VAP2, VAP3); load balancing by distributing workloads across the created at least two virtual access points; and dynamically allocating at least one quality of service parameter (e.g., timeslots, AIFS, TXOP, maximum and minimum contention window) to each of the created at least two virtual access points.
摘要翻译： 一种用于在WLAN中提供有效的多客户端接入的设备和方法，所述方法包括以下步骤：当客户端数量超过阈值时，创建至少两个虚拟接入点（VAP1，VAP2，VAP3）; 通过在所创建的至少两个虚拟接入点之间分配工作负载来实现负载平衡; 以及动态地将至少一个服务质量参数（例如，时隙，AIFS，TXOP，最大和最小争用窗口）分配给所创建的至少两个虚拟接入点中的每一个。
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公开(公告)号：US12068543B2
公开(公告)日：2024-08-20
申请号：US17696986
申请日：2022-03-17
发明人： Michael Kadichevitz , Doron Ezri , Avi Weitzman , Xiao Zhou , Yi Chen , Xin Luo , Yuping Shu
CPC分类号： H01Q3/24 , H01Q1/007 , H01Q1/2291 , H01Q9/065 , H01Q21/205 , H01Q21/24 , H01Q21/28
摘要： 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.
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公开(公告)号：US11754658B2
公开(公告)日：2023-09-12
申请号：US17651856
申请日：2022-02-21
发明人： Alexander Kobzantsev , Doron Ezri , Avi Weitzman , Chun Pan , Xingfeng Jiang , Jie Fu
摘要： 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.
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公开(公告)号：US11677534B2
公开(公告)日：2023-06-13
申请号：US17144955
申请日：2021-01-08
发明人： Genadiy Tsodik , Shimon Shilo , Doron Ezri , Avi Weitzman , Oren Hencinski , Leonid Epstein , Oded Redlich
CPC分类号： H04L5/1438 , H04L1/08
摘要： 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.
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公开(公告)号：US20230136183A1
公开(公告)日：2023-05-04
申请号：US17983189
申请日：2022-11-08
发明人： Michael Kadichevitz , Doron Ezri , Avi Weitzman , Xiao Zhou , Xin Luo
摘要： 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. The antenna includes a grounding structure including an electrically conductive grounding surface, which is spaced from and faces each radiation portion of the electrically conductive radiation structure for guiding the electromagnetic waves emitted by each radiation portion.
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公开(公告)号：US11303321B2
公开(公告)日：2022-04-12
申请号：US17172715
申请日：2021-02-10
发明人： Dror Regev , Doron Ezri , Shimon Shilo
IPC分类号： H04B1/7107 , H04B1/04 , H04L5/14
摘要： A radio frequency (RF) front end for wireless communications, in particular for use in a half duplex (HD) and/or full duplex (FD) transceiver. The RF front end is based on a quadrature balanced power amplifier (QBPA). The RF front end includes an antenna port for outputting a transmit signal to and receiving a receive signal from an antenna, and a receive port for outputting the receive signal to a signal processing section. Further, the QBPA is configured to receive a transmit input signal at a first port, receive a cancellation input signal at a fourth port, and receive the receive signal at a second port coupled to the antenna port.
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公开(公告)号：US20210273837A1
公开(公告)日：2021-09-02
申请号：US17324826
申请日：2021-05-19
发明人： Jian Yu , Shimon Shilo , Genadiy Tsodik , Oded Redlich , Yaron Ben-Arie , Doron Ezri , Ming Gan
摘要： 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.
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公开(公告)号：US10211958B2
公开(公告)日：2019-02-19
申请号：US15417970
申请日：2017-01-27
发明人： Weishan Lu , Doron Ezri , Le Liu
IPC分类号： H04L5/00 , H04B7/0452 , H04W72/04 , H04L25/02 , H04L27/26
摘要： A method for transmitting information, a station, and an access point in a MU-MIMO system includes: determining, by a first station, multiple to-be-sent first long training sequences, where the multiple first long training sequences include at least one pilot for phase tracking; and sending, by the first station, the multiple first long training sequences to an access point on multiple symbols, where a second station sends multiple second long training sequences to the access point on the multiple symbols, the multiple second long training sequences include at least one pilot for phase tracking, and a first pilot for phase tracking and a second pilot for phase tracking occupy different time-frequency resources, where the at least one pilot for phase tracking included in the multiple first long training sequences includes the first pilot for phase tracking.
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19.发明申请公开(公告)号：US20180337811A1
公开(公告)日：2018-11-22
申请号：US16034721
申请日：2018-07-13
发明人： Doron Ezri , Shimon Shilo , Hao Tang , Jiehua Xiao , Jianmin Lu , Ori Shental , Ezer Melzer
IPC分类号： H04L27/26 , H04B7/0452 , H04L5/00
CPC分类号： H04L27/2614 , H04B7/0452 , H04L5/005 , H04L27/2626 , H04L27/2627 , H04L27/264
摘要： An apparatus for band-limited frequency division multiplexing for uplink transmission to a base station or access point, particularly from an IoT device, comprises a signal modulator to transmit a signal over a set of contiguous equally spaced frequency sub-carriers ranging from a lowest frequency sub-carrier via intermediate sub-carriers to a highest frequency sub-carrier. The signal modulator contains a filter to apply asymmetric filtering over the range of the frequency sub-carriers, thereby to reduce a peak-to-average power ratio of the transmitted signal.
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公开(公告)号：US10070319B2
公开(公告)日：2018-09-04
申请号：US14985963
申请日：2015-12-31
发明人： Doron Ezri , Avi Weitzman , Shimi Shilo , Fuqing Sun , Wei Ruan , Ronghu Fan
摘要： A device for assigning radio channels to radio transceiver devices. The device comprises an interface configured to receive two or more radio communication values, each associated with a radio transceiver device. The device comprises a processor configured to calculate an ordering of two or more radio transceiver devices based on radio communication values and build, according to the ordering, one or more rooted tree representing assignment of available radio channels to first radio transceiver devices according to the ordering. A branch of the rooted tree is selected according to a cost function value calculated along each branch. The processor is configured to assign the available radio channels to the radio transceiver devices according to the selected branch.
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