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1.发明授权公开(公告)号：US10257832B2
公开(公告)日：2019-04-09
申请号：US15950689
申请日：2018-04-11
Applicant: Network Performance Research Group LLC
Inventor： Terry F K Ngo , Seung Baek Yi , Erick Kurniawan , Kun Ting Tsai
Abstract: The present invention relates to wireless networks and more specifically to systems and methods for selecting available channels free of radar signals from a plurality of radio frequency channels. In one embodiment, the present invention provides a standalone multi-channel DFS master device and a cloud intelligence device. The standalone multi-channel DFS master device generates spectral information associated with a plurality of communication channels for a device in communication with the standalone multi-channel DFS master device. The cloud intelligence device receives the spectral information via a network device, integrates the spectral information with other spectral information to generate integrated spectral information, and determines a communication channel for the device that is selected from the plurality of communication channels based at least on the integrated spectral information.
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公开(公告)号：US20170245280A1
公开(公告)日：2017-08-24
申请号：US15588474
申请日：2017-05-05
Applicant: NETWORK PERFORMANCE RESEARCH GROUP LLC
Inventor： Seung Baek Yi , Terry Ngo , Kun Ting Tsai
CPC classification number: H04W72/0453 , H04K3/00 , H04W4/021 , H04W4/023 , H04W8/26 , H04W16/14 , H04W48/00 , H04W64/00 , H04W72/048 , H04W74/0808 , H04W88/06
Abstract: The present invention relates to wireless networks and more specifically directed to device location confirmation based on a geolocation proxy. One embodiment includes an exemplary device location confirmation component configured to implement a device location confirmation algorithm using a cloud database configured to comprise device information including location information from the geolocation proxy. Another embodiment includes a device configured to operate in a reduced functionality radio frequency mode until a location can be confirmed through a trusted cloud service.
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3.发明授权公开(公告)号：US09736845B1
公开(公告)日：2017-08-15
申请号：US15397206
申请日：2017-01-03
Applicant: Network Performance Research Group LLC
Inventor： Seung Baek Yi , Kun Ting Tsai , Paul V. Yee , Terry F. K. Ngo , Erick Kurniawan
CPC classification number: H04W72/0453 , G01S7/021 , G01S7/023 , H04W16/14 , H04W72/04 , H04W72/044 , H04W74/08 , H04W74/0808
Abstract: Over the air signaling of dynamic frequency selection operating parameters to client devices is disclosed. In an embodiment, a multi-channel master device determines a maximum range value of a radar detection umbrella associated with the multi-channel master device based on a first range representing a range at which the multi-channel master device detects a first radar transmission transmitted by a radar device at a defined transmission power; determines a compliance range value based on a second range representing a range at which the multi-channel master device detects a second radar transmission transmitted by the radar device at a dynamic frequency selection (DFS) compliance threshold transmission power; and determines a margin range value based on a third range representing a range at which the multi-channel master device detects a third radar transmission transmitted by the radar device at a transmission power that is lower than the dynamic frequency selection compliance threshold transmission power.
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公开(公告)号：US20170181015A1
公开(公告)日：2017-06-22
申请号：US15454805
申请日：2017-03-09
Applicant: Network Performance Research Group LLC
Inventor： Terry F. K. Ngo , Seung Baek Yi , Erick Kurniawan , Kun Ting Tsai
CPC classification number: H04W24/02 , H04W16/14 , H04W28/18 , H04W40/244 , H04W48/12 , H04W76/15 , H04W84/12 , H04W88/12
Abstract: The present invention relates to wireless networks and more specifically to systems and methods for selecting and implementing communication parameters used in a wireless network to optimize communication between access points and client devices while accounting for effects of adjacent networks. In one embodiment, the present invention includes a Wi-Fi coordinator device that receives packet information from devices within wireless range of the Wi-Fi coordinator. The Wi-Fi coordinator sends the packet information to a cloud intelligence engine which then time shifts the packet information and combines the packet information with other packet information. Using this integrated packet information, the cloud intelligence devices determines the access point settings to improve the operation of the network.
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公开(公告)号：US20170181002A1
公开(公告)日：2017-06-22
申请号：US15450940
申请日：2017-03-06
Applicant: NETWORK PERFORMANCE RESEARCH GROUP LLC
Inventor： Terry F. K. Ngo , Seung Baek Yi , Erick Kurniawan , Kun Ting Tsai
CPC classification number: H04W16/14 , G01S7/021 , G01S7/023 , H04K3/226 , H04K3/822 , H04K2203/18 , H04W4/021 , H04W72/0453
Abstract: The present invention relates to wireless networks and more specifically to systems and methods for selecting available channels free of radar signals from a plurality of radio frequency channels. One embodiment includes a cloud DFS super master, a plurality of radar detectors, and one or more client devices. The cloud DFS super master is programmed to receive the results of a scan for a radar signal from each of the plurality of radar detectors, geo-location information for the plurality of radar detectors, geo-location information for the client devices and a request for available radio channels from the client devices. The cloud DFS super master is programmed to determine one or more radio channels that are free of radar signals within a distance of the client device.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20170041949A1
公开(公告)日：2017-02-09
申请号：US14920568
申请日：2015-10-22
Applicant: NETWORK PERFORMANCE RESEARCH GROUP LLC
Inventor： Terry F K Ngo , Seung Baek Yi , Erick Kurniawan , Kun Ting Tsai
Abstract: The present invention relates to wireless networks and more specifically to systems and methods for selecting available channels free of radar signals from a plurality of 5 GHz radio frequency channels. In one embodiment, the present invention provides a standalone multi-channel DFS master that includes a switch and embedded processor that are programmed to switch a 5 GHz radio transceiver to a first channel of the plurality of 5 GHz radio channels, cause a beacon generator to generate a beacon in the first channel of the plurality of 5 GHz radio channels, cause a radar detector to scan for the radar signal in the first channel of the plurality of 5 GHz radio channel, and then repeat these steps for each of the other channels of the plurality of 5 GHz radio channels during a single beacon transmission duty cycle.
Abstract translation: 本发明涉及无线网络，更具体地涉及用于从多个5GHz射频信道中选择没有雷达信号的可用信道的系统和方法。 在一个实施例中，本发明提供了一种独立的多通道DFS主机，其包括开关和嵌入式处理器，其被编程为将5GHz无线电收发器切换到多个5GHz无线电信道中的第一信道，使信标发生器 在多个5GHz无线电信道的第一信道中生成信标，使得雷达检测器扫描多个5GHz无线电信道的第一信道中的雷达信号，然后针对每个其他信道重复这些步骤 在单个信标传输占空比期间的多个5GHz无线电信道。
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公开(公告)号：US10368247B2
公开(公告)日：2019-07-30
申请号：US15368462
申请日：2016-12-02
Applicant: NETWORK PERFORMANCE RESEARCH GROUP LLC
Inventor： Terry F K Ngo , Seung Baek Yi , Erick Kurniawan , Kun Ting Tsai
IPC: H04W16/14 , G01S7/02 , H04W4/02 , H04W72/04 , H04W72/08 , H04W4/021 , H04K3/00 , H04W64/00 , H04W84/12 , H04W74/08
Abstract: This application relates to wireless networks and more specifically to systems and methods for determining the location of distributed radar detectors and selecting available channels free of radar signals from a plurality of radio frequency channels. One embodiment includes a cloud DFS super master and a radar detector communicatively coupled to the cloud DFS super master. The cloud DFS super master is programmed to receive the results of the scan for a radar signal from the radar detector and to generate integrated client device geolocation information. The cloud DFS super master is also programmed to determine a location for the radar detector based at least on the integrated client device geolocation information, and determine a radio channel free of the radar signal based at least on the location for the radar detector and the results of the scan for the radar signal.
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公开(公告)号：US09924518B2
公开(公告)日：2018-03-20
申请号：US15483406
申请日：2017-04-10
Applicant: NETWORK PERFORMANCE RESEARCH GROUP LLC
Inventor： Seung Baek Yi , Kun Ting Tsai , Yung-Jui Chen
CPC classification number: H04W72/0453 , H04L5/0062 , H04W16/14
Abstract: The present invention relates to wireless networks and more specifically to systems and methods for selecting available channels free of radar signals from a plurality of radio frequency channels. In one embodiment, the present invention provides for a dynamic frequency selection (“DFS”) master device that can facilitate DFS capabilities for one or more legacy access points that do not have DFS capabilities on their own. The DFS master device can be a device communicably coupled to the access point via a universal serial bus (USB) connection or over Ethernet. In some embodiments, the DFS master device can provide DFS capabilities for a plurality of access points on a network. In other embodiments, the DFS master device can be a separate device that is embeddable on the legacy access point device.
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9.发明申请公开(公告)号：US20180035457A1
公开(公告)日：2018-02-01
申请号：US15729900
申请日：2017-10-11
Applicant: NETWORK PERFORMANCE RESEARCH GROUP LLC
Inventor： Terry F K Ngo , Seung Baek Yi , Erick Kurniawan , Kun Ting Tsai
Abstract: The present invention relates to wireless networks and more specifically to systems and methods for selecting available channels free of radar signals from a plurality of 5 GHz radio frequency channels. In one embodiment, the present invention provides a standalone multi-channel DFS master that includes a switch and embedded processor that are programmed to switch a 5 GHz radio transceiver to a first channel of the plurality of 5 GHz radio channels, cause a beacon generator to generate a beacon in the first channel of the plurality of 5 GHz radio channels, cause a radar detector to scan for the radar signal in the first channel of the plurality of 5 GHz radio channel, and then repeat these steps for each of the other channels of the plurality of 5 GHz radio channels during a single beacon transmission duty cycle.
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公开(公告)号：US09832791B2
公开(公告)日：2017-11-28
申请号：US14920568
申请日：2015-10-22
Applicant: NETWORK PERFORMANCE RESEARCH GROUP LLC
Inventor： Terry F K Ngo , Seung Baek Yi , Erick Kurniawan , Kun Ting Tsai
IPC: H04H20/71 , H04B17/00 , G06F3/033 , H04W72/00 , H04B7/00 , G01S13/00 , G01S7/36 , G01S7/42 , H04K3/00 , G01R31/08 , G06F11/00 , G08C15/00 , H04J1/16 , H04J3/14 , H04L1/00 , H04L12/26 , H04L12/28 , H04W4/00 , H04W74/00 , H04W16/14 , H04B17/30 , H04W48/08 , H04W84/12 , H04W88/06
Abstract: The present invention relates to wireless networks and more specifically to systems and methods for selecting available channels free of radar signals from a plurality of 5 GHz radio frequency channels. In one embodiment, the present invention provides a standalone multi-channel DFS master that includes a switch and embedded processor that are programmed to switch a 5 GHz radio transceiver to a first channel of the plurality of 5 GHz radio channels, cause a beacon generator to generate a beacon in the first channel of the plurality of 5 GHz radio channels, cause a radar detector to scan for the radar signal in the first channel of the plurality of 5 GHz radio channel, and then repeat these steps for each of the other channels of the plurality of 5 GHz radio channels during a single beacon transmission duty cycle.
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