Patents by Inventor Kazuyuki Sakoda

Kazuyuki Sakoda 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).

  • Patent number: 10660087
    Abstract: An autonomously dispersed type wireless network is suitably formed with communication stations avoiding collision of beacons transmitted one to another. In the event that the range of reach of airwaves change and a receivable state is created and beacons collide, a communication station changes the beacon transmission position of itself in response to receiving a beacon from another station at a timing immediately prior to transmission to its own beacon. Also, in the event that beacon collision is exposed due to emergence of a new communication which can perform reception from two systems out of airwave range of each other, the newly-participating station requests one of the communication stations of which the beacons are colliding to change the beacon transmission timing.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: May 19, 2020
    Assignee: SONY CORPORATION
    Inventor: Kazuyuki Sakoda
  • Publication number: 20200154347
    Abstract: A wireless communication apparatus/system/method utilizing directional data transmission over a communication (e.g., mmW) band and propagating discovery assistance request and responses to neighboring stations (e.g., in its BSS or in the surrounding area) toward increasing network efficiency. If these stations support discovery assistance they send a discovery assistance response to the station from which the request was propagated. The STA that sent the propagated discovery assistance request processes all the responses and sends a discovery assistance response, containing information about the discovery assistance campaign, to the STA that requested the discovery assistance request.
    Type: Application
    Filed: February 13, 2019
    Publication date: May 14, 2020
    Applicant: SONY CORPORATION
    Inventors: Mohamed Abouelseoud, Kazuyuki Sakoda
  • Publication number: 20200107240
    Abstract: An apparatus and method for communicating via a routing protocol in a wireless network having directional transmission capabilities. Reliable peer stations are identified using Beamforming (BF) training feedback metrics. Routing discovery messages are transmitted by unicast to reliable peer stations, with neighborhood discovery lists disseminated among peer stations in a unicast mode. From the above information, routing tables are constructed with best routing between a source and a destination station, wherein messages can be routed using said routing table from a source peer station, through intermediate peer stations, to a destination peer station. In addition, other embodiments are described, including a simplified two-hop routing apparatus and method.
    Type: Application
    Filed: December 2, 2019
    Publication date: April 2, 2020
    Applicant: SONY CORPORATION
    Inventors: Ramy Medhat Abdallah, Kazuyuki Sakoda
  • Patent number: 10607625
    Abstract: There is provided a storage control device including: a filter detecting unit configured to detect a voice signal estimation filter for estimating a first voice signal heard by a specific user himself/herself; an estimation unit configured to estimate the first voice signal heard by the specific user himself/herself, on the basis of a voice signal including a second voice signal of the specific user collected by an air conduction sound collecting unit in accordance with the voice signal estimation filter detected by the filter detecting unit; and a storage control unit configured to cause a storage unit to store the first voice signal estimated by the estimation unit.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: March 31, 2020
    Assignee: SONY CORPORATION
    Inventors: Yoichiro Sako, Kohei Asada, Katsuhisa Aratani, Mitsuru Takehara, Takatoshi Nakamura, Kazunori Hayashi, Takayasu Kon, Yuki Koga, Tomoya Onuma, Akira Tange, Kazuyuki Sakoda, Yasunori Kamada, Hiroyuki Hanaya, Kazuhiro Watanabe
  • Patent number: 10608731
    Abstract: An information processing device that includes circuitry that stores first function information indicating at least a function of the information processing device; receives second function information indicating at least a function of another information processing device, and second positional information indicating a second positional of the another information processing device; determines a function to be performed from among the function of the information processing device and the function of the another information processing device, based on the first function information, the second function information, and the second positional information; performs the determined function in a case that the determined function is a function of the information processing device; and transmits a request to perform the determined function in a case that the determined function is a function of the another information processing device.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: March 31, 2020
    Assignee: SONY CORPORATION
    Inventors: Erika Saito, Kazuyuki Sakoda, Natsuki Itaya, Kenzoh Nishikawa, Chihiro Fujita
  • Patent number: 10602457
    Abstract: There is provided a wireless communication apparatus and wireless communication method, which can perform information transfer, while suppressing interference to other terminal stations, and preventing a reduction of a transmission opportunity of other terminal stations. By causing the transmission power to be reduced, at the time when a traffic amount to be transmitted and received by itself increases, a terminal station which performs wireless access based on CSMA on a mesh network can suppress interference to other surrounding terminal stations, and can prevent a reduction of a transmission opportunity of other terminal stations. By measuring the number of and sizes of packets to be transmitted and received, it is possible for a terminal station to comprehend the traffic amount to be transmitted and received by itself, and perform a control of the transmission power by this.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: March 24, 2020
    Assignee: SONY CORPORATION
    Inventors: Chihiro Fujita, Kazuyuki Sakoda, Nobuhiko Watanabe, Yoshihiko Ikenaga
  • Publication number: 20200077326
    Abstract: Wireless mesh networking protocols are taught that provide neighbor node discovery in a network utilizing directional transmissions. The established mesh network is utilized to trigger stations in the mesh network to assist in neighbor discovery. The new node joining the network then does not need to wait for beacons from other mesh nodes in starting the process to join the mesh network. In this way the discovery of available nodes is accelerated. Numerous variations and scenarios of the apparatus and method are described.
    Type: Application
    Filed: November 5, 2019
    Publication date: March 5, 2020
    Applicant: SONY CORPORATION
    Inventors: Mohamed Abouelseoud, Ramy Abdallah, Kazuyuki Sakoda
  • Patent number: 10582423
    Abstract: A communication system is a communication system that includes first and second information processing devices. The first information processing device performs control such that a signal (which is a signal having backward compatibility) serving as an index by which the second information processing device receiving a frame stops the reception of the frame is transmitted to the second information processing device. The second information processing device performs control such that the reception of the frame is stopped based on the signal (which is a signal having backward compatibility) serving as an index by which reception of the frame is stopped when the frame transmitted from the first information processing device is received.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: March 3, 2020
    Assignee: SONY CORPORATION
    Inventors: Eisuke Sakai, Takeshi Itagaki, Kazuyuki Sakoda, Tomoya Yamaura
  • Patent number: 10575240
    Abstract: Multi-band signaling is described for reducing signaling overhead in an apparatus and method for communications within a mesh network. The communications involve using two different beacon signals on two different communication channels. Peer beacons are sent using directional millimeter-wave (mmW) communications to provide time synchronization and resource management information to maintain existing links among one or more neighboring peer stations. A separate network discovery beacon is sent over a sub-6 GHz communication channel, to provide mesh network profile information that identifies the mesh network to aid network discovery for wireless communication stations wanting to join the mesh network.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: February 25, 2020
    Assignee: SONY CORPORATION
    Inventors: Mohamed Abouelseoud, Ramy Abdallah, Kazuyuki Sakoda
  • Patent number: 10568132
    Abstract: Wireless communication is performed in a wireless network by dividing up a data transmission interval (DTI) within the communication frame into a plurality of time slots based on determining the number of best sector directions from the AP to each STA in the wireless network. Each STA transmits only during this time slot, while the AP uses receiver beamforming and receives only from a single beamforming direction for each of these time slots. A time slot may be used by more than one STA if they are in the same best antenna sector direction from the AP, wherein they contend for access within this time slot.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: February 18, 2020
    Assignee: SONY CORPORATION
    Inventors: Ramy Abdallah, Kazuyuki Sakoda
  • Publication number: 20200044707
    Abstract: Multiple-hop relayed directional beam formed wireless communication (mm-wave mesh network) method and apparatus which takes place at the PHY layer. Network capability is enhanced by improving routing protocols between neighboring STAs when communicating from an originating STA, through intermediate STAs, to a destination STA. The routing takes into consideration antenna sector selection to limit interference with neighboring STAs, and channel time utilization to increase throughput. Link metrics and channel times are established for optimizing routing and the determination of intermediate stations between an originating STA and a destination STA. The apparatus and method balances both end-end path link quality and interference impact.
    Type: Application
    Filed: September 24, 2019
    Publication date: February 6, 2020
    Applicant: SONY CORPORATION
    Inventor: Kazuyuki Sakoda
  • Publication number: 20200044337
    Abstract: A wireless radio communication apparatus and method in which directional transmission, also known as beamforming, training is performed on transmissions between multiple wireless radio communication devices participating in a local network. A sector level sweep (SLS) process uses transmitter sector sweep (TXSS) training, which includes transmitting a sector sweep (SSW) followed by generating sector sweep (SSW) feedback to other nodes in the local network, with optimum transmit sector information being exchanged between nodes. Embodiments include a power save mode, a delayed SSW feedback mode, and an embedded polling and feedback mode.
    Type: Application
    Filed: October 8, 2019
    Publication date: February 6, 2020
    Applicant: SONY CORPORATION
    Inventors: Ramy Medhat Abdallah, Kazuyuki Sakoda
  • Patent number: 10531412
    Abstract: Wireless communication is performed by stations (nodes) in a wireless mesh network by forming nodes into a mesh network without the need of network-wide synchronization and without needing to form active links between potential neighbors. Nodes obtain information on neighbors in the network by listening to transmitted beacons from these nearby nodes. Synchronization and active links are established when a data transmission session is triggered and initiated by the route setup process. The link formation process performed when establishing a new route performs both beamforming and synchronization. In situations in which a new route does not intersect other active routes then independent synchronization is performed; but when intersecting routes exist, the new route is synchronized with all intersecting routes where nodes are configured to serve both routes.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: January 7, 2020
    Assignee: SONY CORPORATION
    Inventors: Mohamed Abouelseoud, Kazuyuki Sakoda
  • Publication number: 20200008082
    Abstract: Wireless directional communication is performed in the millimeter wave (mmW) band by nodes in a wireless mesh network. Beacon frames are configured to incorporate an activity indicator that signals active and inactive communication directions on the mmW, with a flag for each respective direction of communication (transmit or receive). The activity indicator is utilized to enhance route and beam selection so as to obtain connections subject to less interference, and/or that create less interference to other stations. The activity indicator is also, or alternately, utilized for improving selections of a connection to an access point (AP) or station (STA) or mesh station (MSTA), toward reducing interference, or selecting which beam from a given AP, STA, or MSTA is to be utilized. Distributed interference and resource coordination can be initiated, and/or rerouting determined, based on the activity indicator.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 2, 2020
    Applicant: SONY CORPORATION
    Inventors: Mohamed Abouelseoud, Kazuyuki Sakoda
  • Publication number: 20200005099
    Abstract: There is provided a display control system including a plurality of display units, an imaging unit configured to capture a subject, a predictor configured to predict an action of the subject according to a captured image captured by the imaging unit, a guide image generator configured to generate a guide image that guides the subject according to a prediction result from the predictor, and a display controller configured to, on the basis of the prediction result from the predictor, select a display unit capable of displaying an image at a position corresponding to the subject from the plurality of display units, and to control the selected display unit to display the guide image at the position corresponding to the subject.
    Type: Application
    Filed: August 12, 2019
    Publication date: January 2, 2020
    Inventors: Kazuhiro Watanabe, Yoichiro Sako, Akira Tange, Kazuyuki Sakoda, Kohei Asada, Takatoshi Nakamura, Mitsuru Takehara, Yasunori Kamada, Takayasu Kon, Kazunori Hayashi, Hiroyuki Hanaya, Yuki Koga, Tomoya Onuma
  • Publication number: 20200008129
    Abstract: Reduced signaling overhead is provided in an apparatus and method for communications within a mesh network. The communications involve using two different beacon signals. A peer beacon contains time synchronization and resource management information to maintain existing links among one or more neighboring peer stations, while a separate network discovery beacon contains mesh network profile information that identifies the mesh network to aid network discovery for wireless communication stations wanting to join the mesh network. Embodiments describe coordination between peer stations to determine which stations are to send the network discovery beacons, so that at any given period of time not all stations need to be transmitting the discovery beacons.
    Type: Application
    Filed: September 6, 2019
    Publication date: January 2, 2020
    Applicant: SONY CORPORATION
    Inventors: Mohamed Abouelseoud, Ramy Abdallah, Kazuyuki Sakoda
  • Patent number: 10524183
    Abstract: An apparatus and method for communicating via a routing protocol in a wireless network having directional transmission capabilities. Reliable peer stations are identified using Beamforming (BF) training feedback metrics. Routing discovery messages are transmitted by unicast to reliable peer stations, with neighborhood discovery lists disseminated among peer stations in a unicast mode. From the above information, routing tables are constructed with best routing between a source and a destination station, wherein messages can be routed using said routing table from a source peer station, through intermediate peer stations, to a destination peer station. In addition, other embodiments are described, including a simplified two-hop routing apparatus and method.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: December 31, 2019
    Assignee: SONY CORPORATION
    Inventors: Ramy Medhat Abdallah, Kazuyuki Sakoda
  • Patent number: 10512078
    Abstract: Provided is a radio communication apparatus including a radio communication unit that performs radio communication with another radio communication apparatus, and a control unit that controls processing of adding information which can be used for communication by the another radio communication apparatus which is a transmission destination to a frame within such a range that transmission is possible using an assigned radio resource.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: December 17, 2019
    Assignee: Sony Corporation
    Inventors: Eisuke Sakai, Tomoya Yamaura, Kazuyuki Sakoda
  • Publication number: 20190379466
    Abstract: A system that acquires information from at least first and second electronic devices, the information indicating a quality of a wireless link between the at least first and second electronic devices; generates adjustment information indicating an adjustment of at least one of a position, orientation, antenna position or antenna direction of at least one of the first or second electronic devices to improve the quality of the wireless link between the first and second electronic devices; and controls outputting the adjustment information.
    Type: Application
    Filed: August 21, 2019
    Publication date: December 12, 2019
    Inventors: ERIKA SAITO, NATSUKI ITAYA, KAZUYUKI SAKODA, KENZOH NISHIKAWA, CHIHIRO FUJITA
  • Publication number: 20190373439
    Abstract: A wireless communication apparatus/system/method utilizing directional data transmission over a communication band (e.g., mmW), and performing discovery action over a discovery band (e.g., sub-6 GHz band) that aids scanning for mmW mesh network discovery. An existing network node (AP or BSS STA) transmits beacons over the discovery band indicating the availability of discovery assistance. A new node transmits a request for assistance over the discovery band and includes a discovery assistance element with directional communication capability, to which the existing node responds with similar discovery assistance element. A beamforming process then commences over the directional communications band between the existing node and the new node after which communication is established. Implementations are described supporting Time Division Duplex (TDD) Service Period (SP) as well as multiple channels of communication.
    Type: Application
    Filed: August 3, 2018
    Publication date: December 5, 2019
    Applicant: SONY CORPORATION
    Inventors: Mohamed Abouelseoud, Kazuyuki Sakoda