Patents by Inventor Seung Baek Yi
Seung Baek Yi 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: 11425534Abstract: A Bluetooth Low Energy (BLE) device may collect one or more resolvable public identifiers from one or more wireless devices, each of the resolvable public identifiers indicating whether a user associated with a respective one of the wireless devices is a possible virus carrier. The BLE device may generate a timestamp for each of the collected resolvable public identifiers, each timestamp indicating a time at which a corresponding resolvable public identifier was received by the BLE device. The BLE device may share the collected resolvable public identifiers and their corresponding timestamps with a paired device. The BLE device may receive, from the paired device, an indication of whether one or more of the collected resolvable public identifiers is associated with a possible virus carrier. The BLE device may be included within or attached to one of a bracelet, neckless, a belt, watch, a smartwatch, or a key fob.Type: GrantFiled: May 4, 2021Date of Patent: August 23, 2022Assignee: Atmosic Technologies, Inc.Inventors: Paul Husted, Seung Baek Yi, Srenik Mehta
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Publication number: 20210345068Abstract: A Bluetooth Low Energy (BLE) device may collect one or more resolvable public identifiers from one or more wireless devices, each of the resolvable public identifiers indicating whether a user associated with a respective one of the wireless devices is a possible virus carrier. The BLE device may generate a timestamp for each of the collected resolvable public identifiers, each timestamp indicating a time at which a corresponding resolvable public identifier was received by the BLE device. The BLE device may share the collected resolvable public identifiers and their corresponding timestamps with a paired device. The BLE device may receive, from the paired device, an indication of whether one or more of the collected resolvable public identifiers is associated with a possible virus carrier. The BLE device may be included within or attached to one of a bracelet, neckless, a belt, watch, a smartwatch, or a key fob.Type: ApplicationFiled: May 4, 2021Publication date: November 4, 2021Inventors: Paul Husted, Seung Baek Yi, Srenik Mehta
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Patent number: 10645694Abstract: 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: GrantFiled: July 12, 2017Date of Patent: May 5, 2020Assignee: Network Performance Research Group LLCInventors: Seung Baek Yi, Kun Ting Tsai, Paul V. Yee, Terry F. K. Ngo, Erick Kurniawan
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Patent number: 10448424Abstract: 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: GrantFiled: October 11, 2017Date of Patent: October 15, 2019Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLCInventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
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Systems, methods and computer-readable storage media facilitating mobile device guest network access
Patent number: 10447685Abstract: 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: GrantFiled: April 21, 2017Date of Patent: October 15, 2019Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLCInventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai -
Patent number: 10368247Abstract: 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: GrantFiled: December 2, 2016Date of Patent: July 30, 2019Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLCInventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
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Patent number: 10349290Abstract: 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: GrantFiled: September 21, 2017Date of Patent: July 9, 2019Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLCInventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
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Method and apparatus for directed adaptive control of dynamic channel selection in wireless networks
Patent number: 10257832Abstract: 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: GrantFiled: April 11, 2018Date of Patent: April 9, 2019Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLCInventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai -
Publication number: 20190090242Abstract: 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: ApplicationFiled: September 13, 2018Publication date: March 21, 2019Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
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Patent number: 10104665Abstract: 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: GrantFiled: September 8, 2016Date of Patent: October 16, 2018Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLCInventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
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METHOD AND APPARATUS FOR DIRECTED ADAPTIVE CONTROL OF DYNAMIC CHANNEL SELECTION IN WIRELESS NETWORKS
Publication number: 20180234974Abstract: 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: ApplicationFiled: April 11, 2018Publication date: August 16, 2018Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai -
Publication number: 20180192422Abstract: 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: ApplicationFiled: July 12, 2017Publication date: July 5, 2018Inventors: Seung Baek Yi, Kun Ting Tsai, Paul V. Yee, Terry F.K. Ngo, Erick Kurniawan
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Method and apparatus for directed adaptive control of dynamic channel selection in wireless networks
Patent number: 9999055Abstract: 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: GrantFiled: August 2, 2016Date of Patent: June 12, 2018Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLCInventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai -
Patent number: 9998923Abstract: 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: GrantFiled: September 15, 2016Date of Patent: June 12, 2018Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLCInventors: Terry Ngo, Erick Kurniawan, Kun Ting Tsai, Seung Baek Yi
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SYSTEMS, METHODS AND COMPUTER-READABLE STORAGE MEDIA FACILITATING MOBILE DEVICE GUEST NETWORK ACCESS
Publication number: 20180091494Abstract: 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: ApplicationFiled: April 21, 2017Publication date: March 29, 2018Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai -
Patent number: 9930670Abstract: 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: GrantFiled: May 5, 2017Date of Patent: March 27, 2018Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLCInventors: Seung Baek Yi, Terry Ngo, Kun Ting Tsai
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Patent number: 9924518Abstract: 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: GrantFiled: April 10, 2017Date of Patent: March 20, 2018Assignee: NETWORK PERFORMANCE RESEARCH GROUP LLCInventors: Seung Baek Yi, Kun Ting Tsai, Yung-Jui Chen
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Publication number: 20180077576Abstract: 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: ApplicationFiled: September 15, 2016Publication date: March 15, 2018Inventors: Terry Ngo, Erick Kurniawan, Kun Ting Tsai, Seung Baek Yi
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Publication number: 20180035457Abstract: 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: ApplicationFiled: October 11, 2017Publication date: February 1, 2018Inventors: Terry F K Ngo, Seung Baek Yi, Erick Kurniawan, Kun Ting Tsai
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Publication number: 20180014205Abstract: 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: ApplicationFiled: September 22, 2017Publication date: January 11, 2018Inventors: Kun Ting Tsai, Terry F. K. Ngo, Seung Baek Yi, Erick Kurniawan