Patents by Inventor Yuanrong LAN
Yuanrong LAN 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: 11647511Abstract: There is provided a signalling method for use in an advanced wireless communication network (100) that supports a first duplex mode, a second duplex mode different to the first duplex mode, and carrier aggregation of the first second duplex modes. This method includes configuring a UE (104-106) for data communication with the network (100) through a first access node (101) as a PCell, on the first duplex mode and with a first transmission mode (TM) including one or more transport blocks (TBs). This method also includes configuring the UE (104-106) for data communication with the network (100) through a second access node (103) as a SCell, on the second duplex mode and with a second TM including one or more TBs. The second TM associated with the second access node (103) is configured independently of the first TM associated with the first access node (101).Type: GrantFiled: July 2, 2021Date of Patent: May 9, 2023Assignee: NEC CORPORATIONInventors: Yuanrong Lan, Kevin Lin, Phong Nguyen
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Publication number: 20210337522Abstract: There is provided a signalling method for use in an advanced wireless communication network (100) that supports a first duplex mode, a second duplex mode different to the first duplex mode, and carrier aggregation of the first second duplex modes. This method includes configuring a UE (104-106) for data communication with the network (100) through a first access node (101) as a PCell, on the first duplex mode and with a first transmission mode (TM) including one or more transport blocks (TBs). This method also includes configuring the UE (104-106) for data communication with the network (100) through a second access node (103) as a SCell, on the second duplex mode and with a second TM including one or more TBs. The second TM associated with the second access node (103) is configured independently of the first TM associated with the first access node (101).Type: ApplicationFiled: July 2, 2021Publication date: October 28, 2021Applicant: NEC CORPORATIONInventors: Yuanrong Lan, Kevin Lin, Phong Nguyen
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Patent number: 11096165Abstract: There is provided a signaling method for use in an advanced wireless communication network (100) that supports a first duplex mode, a second duplex mode different to the first duplex mode, and carrier aggregation of the first second duplex modes. This method includes configuring a UE (104-106) for data communication with the network (100) through a first access node (101) as a PCell, on the first duplex mode and with a first transmission mode (TM) including one or more transport blocks (TBs). This method also includes configuring the UE (104-106) for data communication with the network (100) through a second access node (103) as a SCell, on the second duplex mode and with a second TM including one or more TBs. The second TM associated with the second access node (103) is configured independently of the first TM associated with the first access node (101).Type: GrantFiled: April 21, 2020Date of Patent: August 17, 2021Assignee: NEC CORPORATIONInventors: Yuanrong Lan, Kevin Lin, Phong Nguyen
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Publication number: 20200252918Abstract: There is provided a signaling method for use in an advanced wireless communication network (100) that supports a first duplex mode, a second duplex mode different to the first duplex mode, and carrier aggregation of the first second duplex modes. This method includes configuring a UE (104-106) for data communication with the network (100) through a first access node (101) as a PCell, on the first duplex mode and with a first transmission mode (TM) including one or more transport blocks (TBs). This method also includes configuring the UE (104-106) for data communication with the network (100) through a second access node (103) as a SCell, on the second duplex mode and with a second TM including one or more TBs. The second TM associated with the second access node (103) is configured independently of the first TM associated with the first access node (101).Type: ApplicationFiled: April 21, 2020Publication date: August 6, 2020Applicant: NEC CORPORATIONInventors: Yuanrong LAN, Kevin Lin, Phong NGUYEN
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Patent number: 10645684Abstract: There is provided a signalling method for use in an advanced wireless communication network (100) that supports a first duplex mode, a second duplex mode different to the first duplex mode, and carrier aggregation of the first second duplex modes. This method includes configuring a UE (104-106) for data communication with the network (100) through a first access node (101) as a PCell, on the first duplex mode and with a first transmission mode (TM) including one or more transport blocks (TBs). This method also includes configuring the UE (104-106) for data communication with the network (100) through a second access node (103) as a SCell, on the second duplex mode and with a second TM including one or more TBs. The second TM associated with the second access node (103) is configured independently of the first TM associated with the first access node (101).Type: GrantFiled: February 6, 2018Date of Patent: May 5, 2020Assignee: NEC CORPORATIONInventors: Yuanrong Lan, Kevin Lin, Phong Nguyen
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Patent number: 10314048Abstract: A method is disclosed for PHICH resource allocation in a wireless communication system that supports flexible TDD UL-DL configuration and in which different TDD UL-DL configurations are available and the TDD UL-DL configuration used by first UEs which operate according to the flexible TDD configuration can be different to the TDD UL-DL configuration used by second UEs which operate according to a long term TDD UL-DL configuration. The method comprising allocating a PHICH resource for both first UEs and second UEs according to LTE timing rules applicable to the TDD UL-DL configuration in use by second UEs.Type: GrantFiled: September 25, 2017Date of Patent: June 4, 2019Assignee: NEC CorporationInventors: Phong Nguyen, Yuanrong Lan
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Publication number: 20180302882Abstract: There is provided a signalling method for use in an advanced wireless communication network (100) that supports a first duplex mode, a second duplex mode different to the first duplex mode, and carrier aggregation of the first second duplex modes. This method includes configuring a UE (104-106) for data communication with the network (100) through a first access node (101) as a PCell, on the first duplex mode and with a first transmission mode (TM) including one or more transport blocks (TBs). This method also includes configuring the UE (104-106) for data communication with the network (100) through a second access node (103) as a SCell, on the second duplex mode and with a second TM including one or more TBs. The second TM associated with the second access node (103) is configured independently of the first TM associated with the first access node (101).Type: ApplicationFiled: February 6, 2018Publication date: October 18, 2018Applicant: NEC CorporationInventors: Yuanrong LAN, Kevin LIN, Phong NGUYEN
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Patent number: 10021700Abstract: Communication systems, such as the long term evolution (LTE) advanced (LTE-A) of the third generation partnership project (3 GPP) may benefit from various enhancements. These enhancements can include LTE time division duplex (TDD) enhancements for traffic adaptation and uplink (UL)-downlink (DL) interference management. A method can include determining whether a first cell, in a network including the first cell and a second cell, autonomously selects a time division duplex uplink-downlink configuration. The method can also include sending an authority indicator to a base station of the first cell regarding a determination of whether the first cell is to autonomously select the configuration.Type: GrantFiled: May 11, 2012Date of Patent: July 10, 2018Assignee: NOKIA SOLUTIONS AND NETWORKS OYInventors: Haipeng Lei, Kodo Shu, Yuanrong Lan, Chunhai Yao, Jiezhen Lin
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Patent number: 9924506Abstract: There is provided a signalling method for use in an advanced wireless communication network (100) that supports a first duplex mode, a second duplex mode different to the first duplex mode, and carrier aggregation of the first second duplex modes. This method includes configuring a UE (104-106) for data communication with the network (100) through a first access node (101) as a PCell, on the first duplex mode and with a first transmission mode (TM) including one or more transport blocks (TBs). This method also includes configuring the UE (104-106) for data communication with the network (100) through a second access node (103) as a SCell, on the second duplex mode and with a second TM including one or more TBs. The second TM associated with the second access node (103) is configured independently of the first TM associated with the first access node (101).Type: GrantFiled: December 16, 2014Date of Patent: March 20, 2018Assignee: NEC CorporationInventors: Yuanrong Lan, Kevin Lin, Phong Nguyen
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Patent number: 9893845Abstract: A user equipment (UE), including: a receiver configured to receive downlink data transmitted by a base station via downlink component carriers including a secondary component carrier; and a circuit configured to select uplink resources from available resources for transmitting response signals obtained by decoding the received downlink data and select corresponding modulation symbols by using a mapping relation between a state of the response signals and the selected resources and the modulation symbols according to the state of the response signals; wherein the available resources include resources corresponding to a primary component carrier and resources allocated to the secondary component carrier by the base station; and, wherein the mapping relation includes cases in which the resource corresponding to the response signal that is NACK/DTX is not selected; where NACK represents Negative Acknowledgement, and DTX represents Discontinuous Transmission; and when the response signals are all DTX, no resourceType: GrantFiled: December 21, 2016Date of Patent: February 13, 2018Assignee: FUJITSU LIMITEDInventors: Yuantao Zhang, Yi Zhang, Yuanrong Lan, Hua Zhou, Jianming Wu
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Publication number: 20180014307Abstract: A method is disclosed for PHICH resource allocation in a wireless communication system that supports flexible TDD UL-DL configuration and in which different TDD UL-DL configurations are available and the TDD UL-DL configuration used by first UEs which operate according to the flexible TDD configuration can be different to the TDD UL-DL configuration used by second UEs which operate according to a long term TDD UL-DL configuration. The method comprising allocating a PHICH resource for both first UEs and second UEs according to LTE timing rules applicable to the TDD UL-DL configuration in use by second UEs.Type: ApplicationFiled: September 25, 2017Publication date: January 11, 2018Applicant: NEC CorporationInventors: Phong NGUYEN, Yuanrong LAN
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Patent number: 9787458Abstract: A signalling method is disclosed for use in an advanced wireless communication network that supports FDD-TDD carrier aggregation (CA). The signalling method comprises configuring the UE (by establishing radio resource control (RRC) connection with the network through the first access node) for data transmission between the UE and the network through the first access node on the first duplex mode carrier as a primary component carrier (PCell), configuring the UE (via dedicated RRC signalling on the PCell) for data transmission between the UE and the network through the second access node on the second duplex mode carrier as a secondary component carrier (SCell), and performing scheduling for data transmission on the aggregated SCell using either self-scheduling or cross-carrier scheduling.Type: GrantFiled: June 26, 2015Date of Patent: October 10, 2017Assignee: NEC CorporationInventors: Phong Nguyen, Yuanrong Lan
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Patent number: 9775161Abstract: A method is disclosed for PHICH resource allocation in a wireless communication system that supports flexible TDD UL-DL configuration and in which different TDD UL-DL configurations are available and the TDD UL-DL configuration used by first UEs which operate according to the flexible TDD configuration can be different to the TDD UL-DL configuration used by second UEs which operate according to a long term TDD UL-DL configuration. The method comprising allocating a PHICH resource for both first UEs and second UEs according to LTE timing rules applicable to the TDD UL-DL configuration in use by second UEs.Type: GrantFiled: February 28, 2014Date of Patent: September 26, 2017Assignee: NEC CorporationInventors: Phong Nguyen, Yuanrong Lan
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Patent number: 9717095Abstract: According to an exemplary embodiment, a control signalling method in a wireless communications system for reducing false positives, the method comprising: lengthening cyclic redundancy check (CRC) information by assigning at least one predetermined value to at least one downlink control information (DCI) field. As a result, it is possible to reduce the probability of false positive.Type: GrantFiled: August 30, 2013Date of Patent: July 25, 2017Assignee: NEC CORPORATIONInventors: Phong Nguyen, Yuanrong Lan
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Patent number: 9713149Abstract: A signalling method is disclosed for use in an advanced wireless communication network that supports FDD-TDD carrier aggregation (CA). The signalling method comprises configuring the UE (by establishing radio resource control (RRC) connection with the network through the first access node) for data transmission between the UE and the network through the first access node on the first duplex mode carrier as a primary component carrier (PCell), configuring the UE (via dedicated RRC signalling on the PCell) for data transmission between the UE and the network through the second access node on the second duplex mode carrier as a secondary component carrier (SCell), and performing scheduling for data transmission on the aggregated SCell using either self-scheduling or cross-carrier scheduling.Type: GrantFiled: September 12, 2014Date of Patent: July 18, 2017Assignee: NEC CorporationInventors: Phong Nguyen, Yuanrong Lan
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Patent number: 9699781Abstract: According to an exemplary embodiment, a communications node for use in a communications system wherein the communications node is adapted to: transmit to user equipments (UEs) within a node coverage area a first uplink-downlink configuration within a first time interval; and transmit to selected user equipments (UEs) within the node coverage area secondary uplink-downlink configurations over a plurality of secondary time intervals within the first time interval, wherein the secondary uplink-downlink configurations contain information on reconfigurable subframes within the first uplink-downlink configuration which can be reconfigured by the communications node for use by one or more of the selected UEs.Type: GrantFiled: August 30, 2013Date of Patent: July 4, 2017Assignee: NEC CORPORATIONInventors: Phong Nguyen, Yuanrong Lan
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Publication number: 20170104558Abstract: A user equipment (UE), including: a receiver configured to receive downlink data transmitted by a base station via downlink component carriers including a secondary component carrier; and a circuit configured to select uplink resources from available resources for transmitting response signals obtained by decoding the received downlink data and select corresponding modulation symbols by using a mapping relation between a state of the response signals and the selected resources and the modulation symbols according to the state of the response signals; wherein the available resources include resources corresponding to a primary component carrier and resources allocated to the secondary component carrier by the base station; and, wherein the mapping relation includes cases in which the resource corresponding to the response signal that is NACK/DTX is not selected; where NACK represents Negative Acknowledgement, and DTX represents Discontinuous Transmission; and when the response signals are all DTX, no resourceType: ApplicationFiled: December 21, 2016Publication date: April 13, 2017Applicant: FUJITSU LIMITEDInventors: Yuantao ZHANG, Yi ZHANG, Yuanrong LAN, Hua ZHOU, Jianming WU
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Patent number: 9615358Abstract: A method according to the present invention is implemented in a base station used in a wireless communications system that supports flexible-TDD (flexible-time division duplex) UL-DL (uplink-downlink) configuration. The method includes configuring a first type of user equipment (UE) with a first type of configuration; configuring a second type of UE with a second type of configuration; and receiving from a user equipment a HARQ-ACK (hybrid automatic repeat request-acknowledgement) signal according to a DL association set. The DL association set includes: a first DL association set for a UL-DL TDD configuration used by the first type of UE; and a second DL association set for a reference UL-DL TDD configuration including a third DL association set for PUCCH resource mapping used by the second type of UE.Type: GrantFiled: June 24, 2015Date of Patent: April 4, 2017Assignee: NEC CORPORATIONInventors: Phong Nguyen, Yuanrong Lan
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Patent number: 9615357Abstract: A method is implemented in a base station used in a wireless communications system that supports flexible-TDD (flexible-time division duplex) UL-DL (uplink-downlink) configuration. The method includes configuring a first type of user equipment (UE) with a first type of configuration; configuring a second type of UE with a second type of configuration; and receiving from a user equipment a HARQ-ACK (hybrid automatic repeat request-acknowledgement) signal according to a DL association set. The DL association set includes: a first DL association set for a UL-DL TDD configuration used by the first type of UE; and a second DL association set for a reference UL-DL TDD configuration including a third DL association set for PUCCH resource mapping used by the second type of UE.Type: GrantFiled: January 7, 2014Date of Patent: April 4, 2017Assignee: NEC CORPORATIONInventors: Phong Nguyen, Yuanrong Lan
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Patent number: 9544102Abstract: There is provided methods for use in control signaling in advanced wireless communication systems that support flexible allocation of TDD UL-DL configurations. Where HARQ-ACK bundling is used, PDCCH/EPDCCH transmissions indicating DL SPS release and PDSCH transmissions with corresponding PDCCH/EPDCCH are scheduled only on DL and/or special subframes in a DL association set which are not after the subframe in the DL association set carrying an UL grant. Where HARQ-ACK multiplexing is used, the value of the DL assignment index (VDAIUL) is set to the number of subframes in the DL association set. Cross-subframe scheduling is also used.Type: GrantFiled: May 29, 2014Date of Patent: January 10, 2017Assignee: NEC CorporationInventors: Phong Nguyen, Yuanrong Lan