Patents Examined by Saba Tsegaye
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Patent number: 10873524Abstract: A method implemented by a network device for multicasting packets in a network. The method reduces an overall number of hops that copies of a packet traverse in the network to serve a set of multicast destination nodes. The method includes receiving a packet, determining a first subset of multicast destination nodes that is a subset of the set of multicast destination nodes that is reachable on a shortest path through a first outgoing interface, determining a second subset of multicast destination nodes that is a subset of the set of multicast destination nodes that is reachable on a shortest path through a second outgoing interface, determining whether the first subset of multicast destination nodes is a proper subset of the second subset of multicast destination nodes, and removing the first outgoing interface from consideration in response to determining that the first subset is a proper subset of the second subset.Type: GrantFiled: January 7, 2016Date of Patent: December 22, 2020Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventor: David Ian Allan
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Patent number: 10869238Abstract: A communication system including a first base station, a second base station and user equipment (UE). The first base station including: a transmitter to transmit to the second base station a first signal comprising information about device-to-device (D2D) communication of the UE, a receiver to receive from the second base station a second signal including a configuration information, that includes information on a resource pool configured in a second mode by the second base station, or a resource location of a resource allocated in the first mode by the second base station; and a transmitter to transmit to the UE a Radio Resource Control (RRC) Message including the configuration information after receiving the second signal; the second base station to receive from the first base station the first signal to transmit the second signal; and a receiver configured to receive from the UE a third signal for wireless connection.Type: GrantFiled: October 8, 2019Date of Patent: December 15, 2020Assignee: FUJITSU LIMITEDInventors: Lianhai Wu, Haibo Xu, Ningjuan Chang, Yanling Lu
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Patent number: 10869237Abstract: An apparatus and method to select a resource for performing device to device (D2D) communication from a resource pool configured in a second mode by a first eNB.Type: GrantFiled: November 7, 2016Date of Patent: December 15, 2020Assignee: FUJITSU LIMITEDInventors: Lianhai Wu, Haibo Xu, Ningjuan Chang, Yanling Lu
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Patent number: 10863194Abstract: Method and apparatus for deriving a motion vector at a video decoder. A block-based motion vector may be produced at the video decoder by utilizing motion estimation among available pixels relative to blocks in one or more reference frames. The available pixels could be, for example, spatially neighboring blocks in the sequential scan coding order of a current frame, blocks in a previously decoded frame, or blocks in a downsampled frame in a lower pyramid when layered coding has been used.Type: GrantFiled: August 27, 2019Date of Patent: December 8, 2020Assignee: Intel CorporationInventors: Yi-Jen Chiu, Lidong Xu, Hong Jiang
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Patent number: 10863491Abstract: In a wireless communication system in which when connecting one terminal apparatus to a base station apparatus and another base station apparatus, the other base station apparatus selects a frequency band to be used for control channels transmitted from the terminal apparatus to the other base station apparatus from a plurality of frequency bands usable by the other base station apparatus, and notifies the terminal apparatus of the selected frequency band, the base station apparatus acquires from the terminal apparatus information about radio quality of a signal received from the other base station apparatus for at least one frequency band out of the plurality of frequency bands, extracts a portion of frequency bands out of the plurality of frequency bands based on the acquired information about radio quality, and notifies the other base station apparatus of information representing the portion of frequency bands.Type: GrantFiled: July 16, 2019Date of Patent: December 8, 2020Assignee: KDDI CorporationInventors: Hailan Peng, Toshiaki Yamamoto, Xiaoqiu Wang
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Patent number: 10856219Abstract: According to one embodiment, a communication device includes one or more processors. The one or more processors configured to function as a plurality of communication control units and a selection unit. The plurality of communication control units control communication in accordance with a plurality of control schemes that differ from each other. The selection unit selects a communication control unit for use in communication from the communication control units based on selection criteria.Type: GrantFiled: August 28, 2018Date of Patent: December 1, 2020Assignee: Kabushiki Kaisha ToshibaInventors: Yasuyuki Tanaka, Mitsuru Kanda
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Patent number: 10841047Abstract: Methods and systems for reliable broadcasting that use re-transmissions, in a multi-hop, time-slotted wireless network, is presented. The methods and systems evaluate the trade-off between power consumption and communication reliability, and are consequently able to provide increasing degrees of robustness for broadcasts in the wireless network. Embodiments of the present invention are able to incrementally use re-transmissions, therein trading-off battery life for an increased message completion rate or a lower packet error rate, for example, in order to reliably broadcast critical or high-priority message network-wide.Type: GrantFiled: October 8, 2018Date of Patent: November 17, 2020Assignee: TRELLISWARE TECHNOLOGIES, INC.Inventor: Mark Johnson
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Patent number: 10812289Abstract: An example communications device may include communication ports and processing circuitry. The communications device may, when the communication device and peer network nodes are connected in a ring topology to form an access network, detect that a loop exists between the access network and a customer network. In response to detecting the loop, the communication device may automatically block any uplink to the customer network that the communication device may have, and send a message to all of the peer network nodes instructing them to block any uplinks to the customer network they may have.Type: GrantFiled: March 18, 2016Date of Patent: October 20, 2020Assignee: Hewlett Packard Enterprise Development LPInventor: Christopher Murray
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Patent number: 10797939Abstract: The invention relates to a node for communication between a first network and an second network and coupled to a controller in the second network via a first communication route. The node and controller form a virtualised home gateway platform. The node is arranged to access a second communication route and also to couple to the controller via the second communication route upon connection failure of the first communication route. This reconnects the node to the controller thereby maintaining a route for transmission of data streams and downloads into the home environment but also re-establishes control signalling within the virtualised home gateway platform and therefore also within the home network. A system for performing gateway functions between a first network and an second network, and a method of maintaining connection between a node and a controller, are also described.Type: GrantFiled: September 1, 2015Date of Patent: October 6, 2020Assignees: Koninklijke KPN N.V., Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek TNOInventors: Shuang Zhang, Frank Den Hartog, Miodrag Djurica
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Patent number: 10797827Abstract: Embodiments of this application provide a grant-free transmission method, a terminal device, and a network device, to improve grant-free transmission reliability. The grant-free transmission method includes: obtaining, by a terminal device, an interleaving pattern based on at least one of a cell identity of the terminal device, a terminal device identifier, time-domain resource information, and frequency-domain resource information; interleaving data based on the obtained interleaving pattern, to obtain interleaved data; and sending the interleaved data.Type: GrantFiled: December 3, 2018Date of Patent: October 6, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yiqun Wu, Xiuqiang Xu, Yan Chen
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Patent number: 10798200Abstract: In an embodiment, a method of payload matching via a single pass transformation of an HTTP payload includes receiving a payload packet destined for a recipient and parsing the payload packet in a single scan of the packet using a combined regular expression. The combined regular expression includes a plurality of regular expressions that correspond to a set of replacement rules. The method includes determining a scatter-gather list conforming to the rule, constructing a new payload packet based on the scatter-gather list, and sending the new payload packet to the recipient.Type: GrantFiled: January 31, 2019Date of Patent: October 6, 2020Assignee: VMWARE, INC.Inventors: Chandra Sekhar Kondamuri, Neelima Balakrishnan, Abhinav Gupta, Lingyan Huang, Narendra Kumar Vyas Pentakota, Abhijeet Joglekar
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Patent number: 10785738Abstract: A deviation of time at which downlink signals synchronously transmitted from a macro-cell base station and a small-cell base station respectively reach a communication terminal apparatus can be made within an allowable range, without being affected by transmission delay in transmission cables of base station and propagation delay in radio transmission paths. The small-cell base station is provided with a radio transceiving section connected with antenna, a radio communication control section, a transmission cable connected with the radio transceiving section and the radio communication control section, and a downlink signal receiving section for receiving downlink signals transmitted from the macro-cell base station and the own base station respectively.Type: GrantFiled: January 30, 2017Date of Patent: September 22, 2020Assignee: SoftBank Corp.Inventors: Shota Shiobara, Takao Okamawari, Teruya Fujii
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Patent number: 10785756Abstract: The present invention pertains to a wireless communication system. Particularly, the present invention relates to a method for transmitting uplink control information and an apparatus for the same, wherein the method comprises the steps of: selecting one uplink control channel resource corresponding to a plurality of HARQ-ACKs, from a plurality of uplink control channel resources; and transmitting a bit value corresponding to the plurality of HARQ-ACKs through the use of the selected uplink control channel resource.Type: GrantFiled: April 8, 2019Date of Patent: September 22, 2020Assignee: LG ELECTRONICS INC.Inventors: Suckchel Yang, Mingyu Kim, Seunghee Han, Hyunwoo Lee
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Patent number: 10779271Abstract: A method for receiving data includes transmitting, through a first cell, downlink control information (DCI) which schedules an uplink transmission at the first cell or a second cell; and receiving the data scheduled by the DCI through the first cell or the second cell, wherein the first cell is a cell based on a frequency division duplex (FDD) frame and the second cell is a cell based on a time division duplex (TDD) frame, and wherein when the DCI schedules an uplink transmission at the first cell, no uplink index field is included in the DCI.Type: GrantFiled: July 17, 2019Date of Patent: September 15, 2020Assignee: LG ELECTRONICS INC.Inventors: Dongyoun Seo, Joonkui Ahn, Suckchel Yang, Daesung Hwang
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Patent number: 10778816Abstract: In one embodiment, new Segment Routing capabilities are used in the steering of packets through Segment Routing nodes in a network. A Segment List includes a set of one or more Segment List (SL) Groups, each of which identifies one or more Segments contiguously or non-contiguously stored in the Segment List (or stored across multiple Segment Lists) of a Segment Routing packet. Each SL Group typically includes one Segment that is encoded as a Segment Identifier, and may include Segments that are Extended Values. The steering order of SL Groups is not required to be the same order as they are listed in the Segment List, as the value of Segments Left may be increased, remain the same, or decreased (possibly to skip a next SL Group) and possibly based on the result of an evaluation of a conditional expression.Type: GrantFiled: June 26, 2018Date of Patent: September 15, 2020Assignee: Cisco Technology, Inc.Inventors: Clarence Filsfils, Francois Clad, Pablo Camarillo Garvia, David Delano Ward
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Patent number: 10749577Abstract: Embodiments of enabling a secondary cell in a massive MIMO system are generally described herein. An example apparatus of UE may include memory and processing circuitry to configure a MIMO transceiver to establish primary cell transmit and receive channels for communication with an eNodeB, and to receive a secondary cell addition signal that includes a preamble index for a secondary cell. The processing circuitry further configures the MIMO transceiver to receive beam reference signals (BRS), and select one of the BRS from the eNodeB as a secondary cell transmit channel for the secondary cell based on detected BRS receive power. The processing circuitry further configures the MIMO transceiver to provide information for the selected BRS, and provide xPRACH transmissions that include a transmit index to the eNodeB. The processing circuitry further configures the MIMO transceiver to receive selection of one of the xPRACH transmissions as a secondary cell receive channel.Type: GrantFiled: August 30, 2016Date of Patent: August 18, 2020Assignee: Apple Inc.Inventors: Yushu Zhang, Wenting Chang, Yuan Zhu, Huaning Niu, Gang Xiong
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Patent number: 10749796Abstract: Aspects of the subject disclosure may include, for example, a method including receiving, from a first network slice comprising a set of virtual network functions instantiated in a network, a first request including a first characteristic for a first service associated with a first communication device, receiving, from service layer equipment, first information associated with plurality of network slices, selecting, according to the first characteristic and the first information, a second network slice of the plurality of network slices for facilitating providing a plurality of available services via the network, directing the first network slice to route user plane communication traffic between the first communication device and the second network slice, and directing, by the processing system, the second network slice to facilitate providing the first service to the first communication device via user plan communication traffic. Other embodiments are disclosed.Type: GrantFiled: April 27, 2017Date of Patent: August 18, 2020Assignee: AT&T Intellectual Property I, L.P.Inventors: Sangar Dowlatkhah, Venson Shaw
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Patent number: 10743346Abstract: A format that includes a BSSID of a transmitting station within a preamble of the frame is an HE format, and a format that does not include a BSSID within the preamble but includes a BSSID in a MAC header is a Non-HE format; and a wireless station in the BSS includes a control part which checks a format of a frame received at a predetermined receiver sensitivity or above, and continues demodulation of the received frame if the format is HE format and the BSSID in the received frame is consistent with its own BSS, and stops the demodulation of the received frame if the HE format and the BSSID in the received frame is not consistent with its own BSS.Type: GrantFiled: October 5, 2016Date of Patent: August 11, 2020Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Shoko Shinohara, Yasuhiko Inoue, Junichi Iwatani, Masato Mizoguchi
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Patent number: 10715449Abstract: A layer 2 load balancing system includes server devices that provide virtual machines that each share a virtual Media Access Control (MAC) address. A switch device is coupled to each of the server devices via respective ports on the switch device. The switch device receives the virtual MAC address during a time period via each of the respective ports connected to the server devices and, in response, identifies a server device cluster that shares the virtual MAC address. When the switch device receive packets that are part of a packet flow and that are directed to the virtual MAC address, it then directs each of the packets that are part of the packet flow to one of the virtual machines that is provided on one of the server devices in the server device cluster.Type: GrantFiled: August 24, 2018Date of Patent: July 14, 2020Assignee: Dell Products L.P.Inventors: Narayanaswamy Perumal, Dinesh Babu Kannan, Balaji Venkat Venkataswami
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Patent number: 10707929Abstract: A method of processing signals in a radio processing apparatus of a base station may include obtaining a plurality of aggregated data symbols, wherein each of the plurality of aggregated data symbols corresponds to a receive terminal of a plurality of receive terminals of the base station and is composed of transmitted data symbols from a plurality of transmit terminals; applying a compression filter to the plurality of aggregated data symbols to reduce the plurality of aggregated data symbols into a plurality of isolated data symbols, the compression filter being based on channel estimates between the plurality of receive terminals and the plurality of transmit terminals; and transmitting the plurality of isolated data symbols to a baseband processing apparatus of the base station.Type: GrantFiled: September 10, 2015Date of Patent: July 7, 2020Assignee: Apple Inc.Inventors: Wenting Chang, Xu Zhang, Yujun Chen, Jiansong Tian, Guangjie Li, Ye Wu, Feng Zhou