Patents by Inventor Yanling Lu
Yanling Lu 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: 10201027Abstract: An apparatus for reporting connection setup request, includes a request transmitting unit configured to transmit a connection setup request for device-to-device communication to a network side when it is determined according to pre-obtained configuration information that the connection setup request for device-to-device communication can be transmitted to the network side.Type: GrantFiled: May 19, 2015Date of Patent: February 5, 2019Assignee: FUJITSU CONNECTED TECHNOLOGIES LIMITEDInventors: Tao Qiu, Lianhai Wu, Ningjuan Chang, Haibo Xu, Weiwei Wang, Yanling Lu
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Patent number: 10097330Abstract: Embodiments of the present disclosure provide a method and apparatus for configuring channel quality indicator (CQI) and a method and apparatus for configuring modulation and coding scheme. The method for configuring CQI includes: configuring UE with a CQI index table by an eNB via CQI index table indication information, so that the UE determines the configured CQI index table according to the indication information, and calculates a CQI index according to calculated precoding matrix indicator (PMI) and rank indication (RI) by using the configured CQI index table. With the embodiments of the present disclosure, the eNB may configure different UEs with different ‘4-bit CQI tables’ and/or ‘modulation and TBS index tables’ while keeping the CQI index and the IMCS bit number unchanged. Therefore, not only the CQI index and the IMCS bit number need not to be increased, but also normal configuration of the LTE system may be ensured.Type: GrantFiled: September 22, 2015Date of Patent: October 9, 2018Assignee: FUJITSU LIMITEDInventors: Lei Zhang, Yi Wang, Yanling Lu, Hua Zhou
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Patent number: 9949312Abstract: A method and apparatus for updating a measurement identity and a system. The method includes: checking each measurement identity in a measurement identity list included in a pre-stored measurement configuration variable by terminal equipment after performing connection reconfiguration or connection re-establishment; and removing the measurement identity from the measurement configuration variable by the terminal equipment, if reporting configuration associated with the measurement identity includes a measurement event related to a frequency at which a cell belonging to a secondary cell group of the terminal equipment is operating and a measurement object related to the measurement event no longer satisfies a requirement of the measurement event or a cell for comparing in the measurement event no longer exists.Type: GrantFiled: August 12, 2016Date of Patent: April 17, 2018Assignee: FUJITSU LIMITEDInventors: Yanling Lu, Haibo Xu
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Publication number: 20170303266Abstract: An MAC control element (CE) uplink configuration method and device, and communications system, the method includes: when an MAC CE is activated, determining, by user equipment (UE), whether an uplink grant of a serving cell in an authorization frequency band exists; and when the uplink grant of the serving cell in the authorization frequency band exists and can accommodate the MAC CE, allocating, by the UE and for the MAC CE, the uplink grant of the serving cell in the authorization frequency band. An embodiment of the present disclosure improves reliability for transmitting the MAC CE, in an LAA system, and reduces unnecessary latency or failure.Type: ApplicationFiled: June 22, 2017Publication date: October 19, 2017Applicant: FUJITSU LIMITEDInventors: Yanling LU, Lianhai WU, Haibo XU
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Publication number: 20170279586Abstract: A method for configuring a User Equipment (UE) with a Channel Quality Index (CQI) table, the method includes: calculating a Precoding Matrix Indicator (PMI) and Rank Indication (RI) according to a channel estimated result; determining a configured CQI index table according to received CQI index table indication information transmitted by a base station, the base station configuring the CQI index table by selecting the CQI index table from at least two CQI index tables; and calculating a CQI index according to the calculated PMI and the RI using the configured CQI index table.Type: ApplicationFiled: June 6, 2017Publication date: September 28, 2017Applicant: FUJITSU LIMITEDInventors: Lei ZHANG, Yi WANG, Yanling LU, Hua ZHOU
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Patent number: 9693331Abstract: Embodiments of the present application provide a method and apparatus for uplink interference avoidance in case of timing advance group reconfiguration. Wherein, the method includes: reconfiguring a TAG belonging to a secondary serving cell by terminal; and terminating, by the terminal, transmission of a periodic channel sounding reference signal Type-0 SRS in the secondary serving cell, and/or terminating, by the terminal, uplink non-adaptive retransmission in the secondary serving cell, after the terminal completes the reconfiguration of the TAG of the secondary serving cell and if a current TAG is a new one. With the embodiments of the present application, a problem of mutual interference with other terminal resulted from transmission of an uplink signal by the terminal in the secondary serving cell according to a wrong TA value may be avoided.Type: GrantFiled: June 28, 2016Date of Patent: June 27, 2017Assignee: FUJITSU LIMITEDInventors: Haibo Xu, Yanling Lu
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Patent number: 9686752Abstract: A base station configured for carrier aggregation, includes: a receiver; and processing circuitry coupled to the receiver and configured to: allocate to a user equipment uplink resources for at least one activated serving cell configured with an uplink carrier, the uplink resources for new transmission and the allocated uplink resources may accommodate a power headroom report, and obtain, responsive to the allocated uplink resources, a configured maximum output power for an activated serving cell configured with an uplink carrier, where the activated serving cell has non-adaptive retransmission of uplink data, or the activated serving cell where the base station schedules channel state information but no allocated uplink grant for transmitting data of an uplink shared channel.Type: GrantFiled: August 23, 2016Date of Patent: June 20, 2017Assignee: FUJITSU LIMITEDInventors: Haibo Xu, Yanling Lu, Weiwei Wang
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Publication number: 20170134999Abstract: Embodiments of the present disclosure provide a method and apparatus for allocating D2D resource in a handover procedure and a communication system. The method for allocating D2D resource in a handover procedure includes: a handover request containing handover preparation information is transmitted by a source base station to a target base station; the handover preparation information comprises auxiliary information for assisting the target base station in D2D resource configuration. Through the embodiments of the present disclosure, in a scenario where the user equipment performs D2D discovery or D2D communication, the target base station may accurately allocate suitable D2D resources even though a handover occurs.Type: ApplicationFiled: January 23, 2017Publication date: May 11, 2017Applicant: FUJITSU LIMITEDInventors: Lianhai WU, Haibo XU, Yanling LU, Hua ZHOU
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Publication number: 20170070924Abstract: 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: ApplicationFiled: November 7, 2016Publication date: March 9, 2017Applicant: FUJITSU LIMITEDInventors: Lianhai WU, Haibo XU, Ningjuan CHANG, Yanling LU
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Publication number: 20170013485Abstract: Embodiments of the present disclosure provide a parameter measuring apparatus, a base station and communication system. The parameter measuring apparatus includes: a measuring unit configured to measure a related parameter; where measurement of a split bearer is excluded or not excluded when the related parameter is measured. Corresponding L2 measurement is performed according to a situation of the split bearer, which enables accurate L2 measurement to be performed in a dual-connectivity scenario where there exists a split bearer, thereby providing efficient support to network administration and maintenance.Type: ApplicationFiled: September 20, 2016Publication date: January 12, 2017Applicant: FUJITSU LIMITEDInventors: Ningjuan CHANG, Weiwei WANG, Yanling LU, Haibo XU
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Publication number: 20170013668Abstract: The embodiments of the present disclosure provide a bearer management apparatus and method, and a communication system. The method comprises: a user equipment (UE) receives an indication message, sent by a base station, for changing a bearer type of a bearer or releasing the bearer under dual connectivity; and changes the bearer type of the bearer or releases the bearer according to the indication message. Through the embodiments of the present disclosure, the UE configured with dual connectivity can seamlessly convert the bearer.Type: ApplicationFiled: September 22, 2016Publication date: January 12, 2017Applicant: FUJITSU LIMITEDInventors: Ningjuan CHANG, Haibo XU, Yanling LU, Weiwei WANG
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Patent number: 9538427Abstract: The present invention relates to a base station, and a method for determining a mobile state of a mobile terminal and adjusting TTT. A method for determining a mobile state of a mobile terminal, applied in a base station and includes: setting a handover count period and a current handover count value; determining whether the handover count period has elapsed; determining whether the mobile terminal is handed over; transmitting information of the handover count period, the current handover count value and information of a size of a cell where the base station is located to a base station serving as a handover destination cell, in case the handover count period has not elapsed and the mobile terminal is handed over.Type: GrantFiled: January 23, 2014Date of Patent: January 3, 2017Assignee: FUJITSU LIMITEDInventors: Yanling Lu, Haibo Xu, Weiwei Wang
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Publication number: 20160360491Abstract: A base station configured for carrier aggregation, includes: a receiver; and processing circuitry coupled to the receiver and configured to: allocate to a user equipment uplink resources for at least one activated serving cell configured with an uplink carrier, the uplink resources for new transmission and the allocated uplink resources may accommodate a power headroom report, and obtain, responsive to the allocated uplink resources, a configured maximum output power for an activated serving cell configured with an uplink carrier, where the activated serving cell has non-adaptive retransmission of uplink data, or the activated serving cell where the base station schedules channel state information but no allocated uplink grant for transmitting data of an uplink shared channel.Type: ApplicationFiled: August 23, 2016Publication date: December 8, 2016Applicant: FUJITSU LIMITEDInventors: Haibo XU, Yanling LU, Weiwei WANG
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Publication number: 20160353512Abstract: A method and apparatus for updating a measurement identity and a system. The method includes: checking each measurement identity in a measurement identity list included in a pre-stored measurement configuration variable by terminal equipment after performing connection reconfiguration or connection re-establishment; and removing the measurement identity from the measurement configuration variable by the terminal equipment, if reporting configuration associated with the measurement identity includes a measurement event related to a frequency at which a cell belonging to a secondary cell group of the terminal equipment is operating and a measurement object related to the measurement event no longer satisfies a requirement of the measurement event or a cell for comparing in the measurement event no longer exists.Type: ApplicationFiled: August 12, 2016Publication date: December 1, 2016Applicant: FUJITSU LIMITEDInventors: Yanling LU, Haibo XU
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Publication number: 20160309438Abstract: Embodiments of the present application provide a method and apparatus for uplink interference avoidance in case of timing advance group reconfiguration. Wherein, the method includes: reconfiguring a TAG belonging to a secondary serving cell by terminal; and terminating, by the terminal, transmission of a periodic channel sounding reference signal Type-0 SRS in the secondary serving cell, and/or terminating, by the terminal, uplink non-adaptive retransmission in the secondary serving cell, after the terminal completes the reconfiguration of the TAG of the secondary serving cell and if a current TAG is a new one. With the embodiments of the present application, a problem of mutual interference with other terminal resulted from transmission of an uplink signal by the terminal in the secondary serving cell according to a wrong TA value may be avoided.Type: ApplicationFiled: June 28, 2016Publication date: October 20, 2016Applicant: FUJITSU LIMITEDInventors: Haibo XU, Yanling LU
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Publication number: 20160302188Abstract: A method, an apparatus and a communication system for configuring channel measurement, in order to efficiently ensure channel conditions of a cell transmitting a PUCCH to which a secondary eNB corresponds in a small cell system, includes: configuring a terminal with a measurement object and reporting configuration; wherein the measurement object indicates a frequency needing to be measured, the reporting configuration indicates a measurement report condition, the measurement report condition being that a measurement result of a neighboring cell is better than a sum of a measurement result of a cell transmitting a PUCCH to which a secondary eNB corresponds (SPCell) and a predefined order value, or a measurement result of a neighboring cell is better than a first threshold value and a measurement result of an SPCell is worse than a second threshold value, and the neighboring cell being a cell at the frequency indicated in the measurement object.Type: ApplicationFiled: June 20, 2016Publication date: October 13, 2016Applicant: FUJITSU LIMITEDInventors: Yanling LU, Yueqiao XU, Haibo XU
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Patent number: 9456393Abstract: Embodiments of the present invention provide a method and apparatus for determining a starting symbol of a physical downlink shared channel; wherein, a Pico base station transmits information indicating a PDSCH starting symbol of the Pico base station to a Macro base station, the Macro base station transmits the information indicating a PDSCH starting symbol to a terminal, and the terminal determines the PDSCH starting symbol in accordance with the information indicating a PDSCH starting symbol. With the embodiments of the present invention, the terminal within a serving range of the Pico base station resulted from a high offset value will not incorrectly decode a PCFICH due to interference of the Macro base station, thereby making the terminal determine a demarcation symbol between a PDCCH and a PDSCH, further increasing the coverage of the Pico base station, and realizing load balancing of the Macro base station and Pico base station.Type: GrantFiled: March 26, 2014Date of Patent: September 27, 2016Assignee: FUJITSU LIMITEDInventors: Haibo Xu, Yuantao Zhang, Yanling Lu, Weiwei Wang, Ningjuan Chang
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Patent number: 9456425Abstract: A base station configured for carrier aggregation, includes: a receiver; and processing circuitry coupled to the receiver and configured to: allocate to a user equipment uplink resources for at least one activated serving cell configured with an uplink carrier, the uplink resources for new transmission and the allocated uplink resources may accommodate a power headroom report, and obtain, responsive to the allocated uplink resources, a configured maximum output power for an activated serving cell configured with an uplink carrier, where the activated serving cell has non-adaptive retransmission of uplink data, or the activated serving cell where the base station schedules channel state information but no allocated uplink grant for transmitting data of an uplink shared channel.Type: GrantFiled: November 19, 2015Date of Patent: September 27, 2016Assignee: FUJITSU LIMITEDInventors: Haibo Xu, Yanling Lu, Weiwei Wang
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Patent number: 9408228Abstract: Embodiments of the present application provide a method and apparatus for uplink interference avoidance in case of timing advance group reconfiguration. Wherein, the method includes: reconfiguring a TAG belonging to a secondary serving cell by terminal; and terminating, by the terminal, transmission of a periodic channel sounding reference signal Type-0 SRS in the secondary serving cell, and/or terminating, by the terminal, uplink non-adaptive retransmission in the secondary serving cell, after the terminal completes the reconfiguration of the TAG of the secondary serving cell and if a current TAG is a new one. With the embodiments of the present application, a problem of mutual interference with other terminal resulted from transmission of an uplink signal by the terminal in the secondary serving cell according to a wrong TA value may be avoided.Type: GrantFiled: June 18, 2014Date of Patent: August 2, 2016Assignee: FUJITSU LIMITEDInventors: Haibo Xu, Yanling Lu
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Patent number: 9398589Abstract: A method for resource assignment, base station and terminal equipment. The method includes: determining resource block group sizes or numbers of resource block subsets to which a stand-alone carrier and a carrier segment correspond; and assigning a resource to terminal equipment according to the resource block group sizes or the numbers of the resource block subsets. With this method, waste of RBs in the resource assignment type 0 may be avoided on the one hand, and on the other hand, a solution for resource assignment of the resource assignment type 1 is provided.Type: GrantFiled: February 7, 2014Date of Patent: July 19, 2016Assignee: Fujitsu LimitedInventors: Haibo Xu, Yanling Lu, Yuantao Zhang, Yi Wang