Patents Assigned to Network Performance Research Group
  • Patent number: 10645694
    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.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: May 5, 2020
    Assignee: Network Performance Research Group LLC
    Inventors: Seung Baek Yi, Kun Ting Tsai, Paul V. Yee, Terry F. K. Ngo, Erick Kurniawan
  • Patent number: 10447685
    Abstract: Mobile device access to a guest network is facilitated. A method comprises: detecting a home network having an associated access point based on the device being within a first defined proximity of the associated access point; and transmitting information indicative of a request to establish a guest network via the associated access point of the home network and providing authentication information for an entity associated with the device. The method also comprises establishing the guest network according to one or more assigned resources based on receipt of an acknowledgement message received from a cloud device, wherein receipt of the acknowledgment message from the cloud device is based on cloud device determination that the entity associated with the device is authenticated and based on receipt of an authorization by an entity associated with the home network.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: October 15, 2019
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: 10448424
    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.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: October 15, 2019
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: 10368247
    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.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: July 30, 2019
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: 10349290
    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.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: July 9, 2019
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: 10257832
    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.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: April 9, 2019
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: 10104665
    Abstract: The present invention relates to wireless networks and more specifically to a method and apparatus for providing dynamic frequency selection (DFS) spectrum access in peer-to-peer wireless networks. Embodiments of the present invention include a standalone DFS master coupled to a client device and configured to collect and/or generate spectral information associated with a plurality of 5 GHz DFS communication channels and a cloud intelligence engine that is also coupled to the client device and configured to receive the spectral information via the client device. The cloud intelligence engine is configured to determine a list of one or more communication channels for the standalone multi-channel DFS master from the plurality of 5 GHz DFS communication channels.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: October 16, 2018
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: 9999055
    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.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: June 12, 2018
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: 9998923
    Abstract: Access point (AP) management via secure association between APs and mobile devices is facilitated. A method comprises: associating the device with an AP that is locked, wherein the associating is performed via a proximity-based network facilitating communication based on the device and the AP being within a defined distance of one another; unlocking the AP employing a key associated with the device, wherein the unlocking the AP comprises facilitating access to one or more configuration settings of the AP via the device; and enabling a service of the AP and a corresponding service of the device to facilitate change of at least one of the one or more configuration settings via the device. In one embodiment, the associating the device with the AP comprises performing exchange of information between the device and the AP for secure pairing between the device and the AP.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: June 12, 2018
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Terry Ngo, Erick Kurniawan, Kun Ting Tsai, Seung Baek Yi
  • Patent number: 9930670
    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.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: March 27, 2018
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Seung Baek Yi, Terry Ngo, Kun Ting Tsai
  • Patent number: 9924518
    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.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: March 20, 2018
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Seung Baek Yi, Kun Ting Tsai, Yung-Jui Chen
  • Patent number: 9839038
    Abstract: The present invention relates to wireless networks and more specifically directed to providing or acquiring an exemplary country code identifier or regulatory domain for a non-limiting device operating in a reduced functionality radio frequency (regulatory) mode based on exemplary location factors and exemplary confidence rankings. One embodiment includes an exemplary regulatory domain selection component configured to weigh location factors associated with a device, based on reliability associated with the location factors, and configured to determine an overall confidence of a country code identifier or a regulatory domain for the device.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: December 5, 2017
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Ming-Yi Lin, Kun Ting Tsai, Yung-Jui Chen, Peter Hong
  • Patent number: 9832791
    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.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: November 28, 2017
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: 9807619
    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 non-limiting embodiments, exemplary systems, methods, and apparatuses are provided that can facilitate reducing false detections and/or network downtime in exemplary mesh networks employing dynamic frequency selection (DFS) channels. In a non-limiting aspect, radar information can be propagated among exemplary mesh nodes, including location information, to facilitate reducing false detections and/or network downtime in exemplary mesh networks. In addition, in further non-limiting aspects, exemplary embodiments can transmit signals to facilitate silencing one or more DFS channels and/or collaborative mesh node identification and/or discrimination of radar signals and false detections, among other non-limiting aspects provided.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: October 31, 2017
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Kun Ting Tsai, Terry F. K. Ngo, Seung Baek Yi, Erick Kurniawan
  • Patent number: 9807625
    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.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: October 31, 2017
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: 9736845
    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.
    Type: Grant
    Filed: January 3, 2017
    Date of Patent: August 15, 2017
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Seung Baek Yi, Kun Ting Tsai, Paul V. Yee, Terry F. K. Ngo, Erick Kurniawan
  • Patent number: 9699786
    Abstract: The present invention relates to wireless networks and more specifically to a method and apparatus for integrating spectrum data from a plurality of autonomous radio agents with a cloud-based data fusion and computing element that enables network self-organization and adaptive control of dynamic frequency selection in 802.11 ac/n and LTE-U networks. In one embodiment, the present invention provides a cloud intelligence engine communicatively coupled to a plurality of multi-channel DFS masters that is configured to receive spectral information from the plurality of multi-channel DFS masters, integrate the spectral information with other spectral information to generate integrated spectral information, and determine communication channels for the plurality of multi-channel DFS masters based at least on the integrated spectral information.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: July 4, 2017
    Assignee: Network Performance Research Group LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: 9674187
    Abstract: Mobile device access to a guest network is facilitated. A method comprises: detecting a home network having an associated access point based on the device being within a first defined proximity of the associated access point; and transmitting information indicative of a request to establish a guest network via the associated access point of the home network and providing authentication information for an entity associated with the device. The method also comprises establishing the guest network according to one or more assigned resources based on receipt of an acknowledgement message received from a cloud device, wherein receipt of the acknowledgment message from the cloud device is based on cloud device determination that the entity associated with the device is authenticated and based on receipt of an authorization by an entity associated with the home network.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: June 6, 2017
    Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: 9622089
    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.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: April 11, 2017
    Assignee: Network Performance Research Group
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
  • Patent number: D795853
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: August 29, 2017
    Assignee: Network Performance Research Group LLC
    Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai