Patents Examined by Gustavo Lopez-Vargas
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Patent number: 8811323Abstract: Disclosed in a method of discontinuous data reception in a mobile communication system. The method includes: receiving downlink data and decoding the received downlink data by the UE; when the decoding is not successful, starting a timer for receiving retransmitted data; when the downlink data has been received by a configured downlink assignment, operating a downlink carrier, through which the downlink data has been received, in an active time; and when the downlink data has been received by a dynamic transmission resource and the downlink carrier, through which the downlink data has been received, is different from a downlink carrier, through which a scheduling command for the downlink data has been received, operating the downlink carrier, through which the scheduling command for the downlink data has been received, and the downlink carrier, through which the downlink data has been received, in an active time.Type: GrantFiled: November 10, 2010Date of Patent: August 19, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Soeng-Hun Kim, Gert-Jan Van Lieshout
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Patent number: 8811351Abstract: The present invention relates to a method for measuring channel quality information in a system transmitting a signal via a plurality of component carriers. The method comprises the steps of: measuring a channel quality value of at least one component carrier allocated to a terminal from among a plurality of component carriers used to transmit a signal from a serving cell, to which the terminal belongs, to the terminal; comparing the channel quality value with a critical value for determining whether or not a channel quality of a component carrier not allocated to the terminal from among the plurality of component carriers must be derived; and, if the channel quality value is less than the critical value, measuring a channel quality value of a component not allocated to the terminal from among the plurality of component carriers.Type: GrantFiled: July 7, 2010Date of Patent: August 19, 2014Assignee: LG Electronics Inc.Inventors: In Jae Jung, In Kwon Seo, Sang Wook Lee, Su Hwan Lim
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Patent number: 8804746Abstract: The present invention provides a network based on identity identifier and location separation architecture and each component in the network. The network based on identity identifier and location identifier separation architecture includes access networks and a backbone network, and the access networks and the backbone network have no overlap in topology relation, wherein, the access network is located at an edge of the backbone network, and is set to achieve endpoint access in the access network; the backbone network is set to achieve routing and forwarding of data messages between the endpoints which access via the access networks; in the network, an access identifier (AID) is taken as an identity identifier of an endpoint user, and a routing identifier (RID) is used as a location identifier of the endpoint. The present invention achieves the identity identifier and location separation based on the network.Type: GrantFiled: September 13, 2010Date of Patent: August 12, 2014Assignee: ZTE CorporationInventors: Qiang Wu, Bing Huang, Tao Fu
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Patent number: 8797994Abstract: A frequency offset estimation unit estimates a frequency offset by combining information on a maximum window having a maximum peak power obtained from a received PRACH (Physical Random Access Channel) signal and a sign of a phase of a correlation value between channel estimation values obtained from a received PUSCH (Physical Uplink Shared Channel) signal.Type: GrantFiled: November 12, 2010Date of Patent: August 5, 2014Assignee: NEC CorporationInventor: Kengo Oketani
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Patent number: 8797959Abstract: A method for operating a controller of a multiple input, multiple output communications system includes formulating an objective function according to a resource allocation for a user equipment (UE) and a mean square error expression, and updating the objective function to generate an updated resource allocation for the UE, a transmit beamforming vector to precode a transmission to the UE, and a receive beamforming vector to adjust a receiver to receive the precoded transmission. The method also includes transmitting allocation information about the resource allocation for the UE and the transmit beamforming vector to a communications controller serving the UE.Type: GrantFiled: January 3, 2012Date of Patent: August 5, 2014Assignee: Futurewei Technologies, Inc.Inventors: Meisam Razaviyayn, Mohammadhadi Baligh, Aaron Callard, Zhi-Quan Luo
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Patent number: 8755288Abstract: A network system comprises a first communication device having a first address connected, using a network, to a second communication device having a second address. The first communication device includes a monitor frame transmitter configured to generate a monitor frame including the second address as a destination address and the first address as a source address, and to output the generated monitor frame to the network; and a monitoring-response frame monitor configured to monitor reception of a monitoring-response frame sent back from the second communication device. The second communication device includes: a monitoring-response frame transmitter configured to, in response to reception of the monitor frame, generate the monitoring-response frame by exchanging the destination address in the received monitor frame for a source address and the source address in the received monitor frame for a destination address, and output the generated monitoring-response frame to the network.Type: GrantFiled: July 27, 2011Date of Patent: June 17, 2014Assignee: Alaxala Networks CorporationInventors: Shinichi Akahane, Teruo Kaganoi, Tetsuya Nagata
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Patent number: 8755281Abstract: A method and apparatus are described including determining a target congestion index, determining a congestion index based on information from a last back-off round, comparing the target congestion index with the congestion index, performing one of increasing a triggering set size by a first factor and decreasing the triggering set size by a second factor responsive to the comparison, determining if a communications medium is idle, adjusting a back-off counter responsive to the third determining act, determining if the back-off counter is equal to a triggering point in the triggering set and transmitting data responsive to the fourth determining act.Type: GrantFiled: May 18, 2010Date of Patent: June 17, 2014Assignee: Thomson LicensingInventors: Yong He, Xiao-Jun Ma, Jun Li
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Patent number: 8743839Abstract: The invention relates to a method in a radio base station (110) of a radio telecommunications network (100), wherein the radio base station (110) comprises at least two different types of receivers; a first type of receivers and a second type of receivers. The first type of receivers comprises a different receiving sensitivity than the second type of receivers. The method is for scheduling a first type of receiver to a user equipment (120) within a radio cell (115) served by the radio base station (110). The radio base station determines a distance (125) between the user equipment (120) and a radio cell boundary (127) of the radio cell (115), and schedules the first type of receiver to the user equipment (120) when the distance is determined to be within a distance range.Type: GrantFiled: July 1, 2009Date of Patent: June 3, 2014Assignee: Telefonaktiebolaget L M Ericsson (Publ)Inventors: Patrik Karlsson, Torbjorn Wigren
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Patent number: 8738784Abstract: In an embodiment, a network may represent a physical system. The network may have an element that represents an entity of the physical system. A value of a state associated with the network may be identified (e.g., generated) using various techniques. The state may be a low-level state associated with the network. The techniques may include, but are not limited to, for example, generating the value based on a scaffold defined for the network, generating the value based on a target value for the state, and/or generating the value based on applying an operation to various values of the state. The identified value may be associated with an identifier. The identifier may distinguish the value, for example, from other values of other states in the network and/or other values of states in other networks.Type: GrantFiled: May 17, 2011Date of Patent: May 27, 2014Assignee: The MathWorks, Inc.Inventors: Brian Mirtich, Jeffrey Wendlandt
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Patent number: 8737339Abstract: The invention concerns a method and an antenna weight determining device (37) for improving handling of two data streams sent in downlink data communication channels to a user equipment (14) via a first and a second cell of a wireless communication network, where the antenna weight determining device comprises a unit (38) for processing data obtained in relation to communication signals sent at least between at least one of the second cells and the user equipment, and a unit (41) for determining an antenna weight to be applied by the second cell based on the processing.Type: GrantFiled: January 12, 2012Date of Patent: May 27, 2014Assignee: Telefonaktiebolaget L M Ericsson (publ)Inventors: Qingyu Miao, Johan Bergman, Johan Hultell
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Patent number: 8737288Abstract: To effectively use transmission power by changing the arrangement of unused REGs. A wireless communication apparatus according to the invention corresponds to a wireless communication apparatus for performing wireless communication with a terminal equipment via a relay station, which includes an allocator which allocates CCEs in which control signals for the relay station are arranged to a plurality of REGs so that unused REGs not allocated with the CCEs differ among respective resource blocks each having the plurality of REGs, and a transmitter which transmits the control signals arranged in the CCEs allocated to the REGs to the relay station in accordance with an allocation by the allocation section.Type: GrantFiled: September 29, 2010Date of Patent: May 27, 2014Assignee: Panasonic CorporationInventors: Ayako Horiuchi, Seigo Nakao, Akihiko Nishio, Yasuaki Yuda
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Patent number: 8737306Abstract: The present invention discloses a method and an apparatus for triggering a status report in a RLC acknowledged mode protocol. The technical scheme includes: A, constructing and transmitting a status report at a data receiving end of a RLC layer when a reordering timer is timeout or a packet for setting a polling bit is received from a transmitting end; B, determining whether the data receiving window is in smoothly moving status, and if in the smoothly moving status, enabling a status prohibit timer immediately after the status report has been transmitted, and considering the retransmission triggered by the status report at this time to be successful; and if the data receiving window is not in the smoothly moving status, performing step C; C, detecting whether the retransmission triggered by the status report at this time is successful, and if successful, enabling the status prohibit timer.Type: GrantFiled: April 23, 2010Date of Patent: May 27, 2014Assignee: ZTE CorporationInventor: Jinlong Cui
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Patent number: 8737287Abstract: Disclosed are a packet scheduling method and apparatus in a relay network. A scheduling method of a relay station in a relay communication system includes: receiving information regarding an amount of generated data to be transmitted to a user from a base station; estimating the size of a queue of the base station storing the data to be transmitted to the user based on the amount of generated data received from the base station; obtaining the size of a virtual queue in which overall data to be transmitted to a user with reference to the estimated size of the queue of the base station and the size of a queue of the relay station storing data to be transmitted to a user; performing scheduling to allocate resource based on the size of the virtual queue; and transmitting data to the user based on the scheduling results.Type: GrantFiled: July 30, 2010Date of Patent: May 27, 2014Assignee: LG Electronics Inc.Inventors: Han-Byul Seo, Daeyoung Park, Byoung-Hoon Kim
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Patent number: 8730918Abstract: The present invention provides a handover method based on a mobile relay comprising: when handover of the mobile relay occurs, a source Donor evolved NodeB (DeNB), as an intermediate node, connecting a relay access network with an Evolved Packet Core (EPC), the relay access network at least comprising a target DeNB and a mobile relay; and the source DeNB forwarding data from the relay access network to the EPC and forwarding the data from the EPC to the relay access network. With the present invention, the handover of the mobile relay is implemented, and the mobility of the relay can be supported.Type: GrantFiled: August 18, 2010Date of Patent: May 20, 2014Assignee: ZTE CorporationInventor: Yada Huang
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Patent number: 8724631Abstract: The present invention discloses a method, a system and an apparatus for transmitting data, which are applied in an identification identifier locater separation network, the method includes: a source terminal sending a first data packet to a source Access Support Node (ASN), and taking an Access Identity (AID) of the source terminal and the AID of a destination terminal as a source address and a destination address of the first data packet respectively; the source ASN, after receiving the first data packet, if a Routing Identifier (RID) corresponding to the AID of the destination terminal is not queried out locally, encapsulating the first data packet which is as a payload data packet to a second data packet by using Generic Routing Encapsulation (GRE) format, and adding a GRE packet header and a delivery protocol packet header; and the source ASN sending the second data packet to a mapping forwarding plane, which queries the RID corresponding to the AID of the destination terminal and sends the first data pacType: GrantFiled: June 18, 2010Date of Patent: May 13, 2014Assignee: ZTE CorporationInventor: Hui He
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Patent number: 8717994Abstract: A method for transmitting a reference signal for a maximum of eight antenna ports includes mapping a portion of common reference signals (CRSs) for a maximum of four antenna ports into a downlink subframe that includes a 1st slot and a 2nd slot; mapping channel status information reference signals (CSI-RSs) for the maximum of eight antenna ports into the downlink subframe according to a preset pattern; and transmitting the downlink subframe into which the common reference signal and the channel status information reference signal are mapped, wherein the preset pattern defines the CSI-RSs for the maximum of eight antenna ports to be mapped onto two OFDM symbols of the data region in the downlink subframe, and wherein the portion of the CRSs for the maximum of four antenna ports is limited to the CRSs for a maximum of two antenna ports.Type: GrantFiled: August 13, 2010Date of Patent: May 6, 2014Assignee: LG Electronics Inc.Inventors: Hyun Soo Ko, Seung Hee Han, Jae Hoon Chung, Bin Chul Ihm, Moon Il Lee
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Patent number: 8717893Abstract: A network device determines that an outgoing network-to-network interface has dropped one or more network control packets and incrementally adjusts, based on the determining, a drop threshold parameter for the network control packets to give preference to the network control packets over non-network control packets. After the adjusting, the network device monitors traffic over the interface, and preempts, based on the monitoring, a low-priority label switched path (LSP) using the interface when the interface reaches a congested threshold or when the interface has dropped one or more other network control packets. The network device restores the low-priority LSP to the interface when the interface has reached an uncongested threshold.Type: GrantFiled: November 29, 2010Date of Patent: May 6, 2014Assignee: Verizon Patent and Licensing Inc.Inventors: Koutoung Chou, Joecylyn Malit, Shengping Shiau, Zhongping Pan
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Patent number: 8705566Abstract: A method is disclosed for initiating a call in a communication network between a first signaling entity and a second signaling entity each connected to a respective node and the nodes connected to a network wherein communications between the signaling entities and the nodes are conducted using a first protocol and communications are carried over the network using a second protocol. Call setup information is also exchanged between the first node and the second node over a separate connection.Type: GrantFiled: January 26, 2011Date of Patent: April 22, 2014Assignee: Siemens Enterprise Communications GmbH & Co. KGInventors: Ranier Eberhart, Dietmar Lehmann
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Patent number: 8705551Abstract: In accordance with embodiments of the present disclosure, a method and system may include receiving a plurality of packets comprising flood traffic of a bridged VLAN domain at an ingress line card port. The system and method may further include splitting the packets into multiple internal streams and forwarding the packets associated with the internal streams to a switch fabric. The system and method may further include forwarding each packet associated with a particular internal stream to one or more egress line cards associated with the internal stream. The system and method may further include mapping each internal stream to a single egress port of the egress line card, the single egress port comprising one of a plurality of egress ports associated with a LAG. The system and method may further include recovery from a port failure.Type: GrantFiled: July 27, 2011Date of Patent: April 22, 2014Assignee: Fujitsu LimitedInventor: Venkata Ramana Kiran Addanki
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Patent number: 8694587Abstract: An improved system and method are disclosed for conference bridging. In one example, the method enables a device engaged in a conference call as a participant to bridge the conference call and to transfer the bridge to another device engaged in the conference call as a participant.Type: GrantFiled: May 17, 2011Date of Patent: April 8, 2014Assignee: Damaka, Inc.Inventors: Sivakumar Chaturvedi, Satish Gundabathula, Rashmi Hiremath