Patents by Inventor Pushpika WIJESINGHE
Pushpika WIJESINGHE 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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Publication number: 20230379083Abstract: A method and system for use in an advanced wireless communication network is provided. The method comprises: providing, to a group of UEs, a resource multiplexing configuration defining resource multiplexing for cellular and non-cellular communication; and allocating resources to the group of UEs for cellular communication, according to the resource multiplexing configuration. Advantageously, the method enables collisions and interference between D2D and cellular transmissions to be reduced or avoided.Type: ApplicationFiled: August 4, 2023Publication date: November 23, 2023Applicant: NEC CorporationInventors: Pushpika WIJESINGHE, Phong Nguyen
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Patent number: 11770214Abstract: A method and system for use in an advanced wireless communication network is provided. The method comprises: providing, to a group of UEs, a resource multiplexing configuration defining resource multiplexing for cellular and non-cellular communication; and allocating resources to the group of UEs for cellular communication, according to the resource multiplexing configuration. Advantageously, the method enables collisions and interference between D2D and cellular transmissions to be reduced or avoided.Type: GrantFiled: July 6, 2022Date of Patent: September 26, 2023Assignee: NEC CORPORATIONInventors: Pushpika Wijesinghe, Phong Nguyen
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Publication number: 20220337345Abstract: A method and system for use in an advanced wireless communication network is provided. The method comprises: providing, to a group of UEs, a resource multiplexing configuration defining resource multiplexing for cellular and non-cellular communication; and allocating resources to the group of UEs for cellular communication, according to the resource multiplexing configuration. Advantageously, the method enables collisions and interference between D2D and cellular transmissions to be reduced or avoided.Type: ApplicationFiled: July 6, 2022Publication date: October 20, 2022Applicant: NEC CorporationInventors: Pushpika WIJESINGHE, Phong NGUYEN
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Patent number: 11398881Abstract: A method and system for use in an advanced wireless communication network is provided. The method comprises: providing, to a group of UEs, a resource multiplexing configuration defining resource multiplexing for cellular and non-cellular communication; and allocating resources to the group of UEs for cellular communication, according to the resource multiplexing configuration. Advantageously, the method enables collisions and interference between D2D and cellular transmissions to be reduced or avoided.Type: GrantFiled: June 16, 2020Date of Patent: July 26, 2022Assignee: NEC CORPORATIONInventors: Pushpika Wijesinghe, Phong Nguyen
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Publication number: 20200313800Abstract: A method and system for use in an advanced wireless communication network is provided. The method comprises: providing, to a group of UEs, a resource multiplexing configuration defining resource multiplexing for cellular and non-cellular communication; and allocating resources to the group of UEs for cellular communication, according to the resource multiplexing configuration. Advantageously, the method enables collisions and interference between D2D and cellular transmissions to be reduced or avoided.Type: ApplicationFiled: June 16, 2020Publication date: October 1, 2020Applicant: NEC CorporationInventors: Pushpika WIJESINGHE, Phong NGUYEN
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Patent number: 10735144Abstract: A method and system for use in an advanced wireless communication network is provided. The method comprises: providing, to a group of UEs, a resource multiplexing configuration defining resource multiplexing for cellular and non-cellular communication; and allocating resources to the group of UEs for cellular communication, according to the resource multiplexing configuration. Advantageously, the method enables collisions and interference between D2D and cellular transmissions to be reduced or avoided.Type: GrantFiled: November 26, 2018Date of Patent: August 4, 2020Assignee: NEC CorporationInventors: Pushpika Wijesinghe, Phong Nguyen
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Patent number: 10542523Abstract: A device-to-device user equipment (D2D-UE) and a method for use by a device-to-device user equipment (D2D-UE) is provided. The method comprises: determining, according to a non-UE specific resource allocation configuration, a plurality of available channels within a resource pool; selecting a primary channel of the plurality of available channels for the transmission of data; determining one or more transmission (TX) opportunities and one or more reception (RX) opportunities associated with the selected primary channel, wherein the transmit opportunities comprise a transmit subframe and an associated transmit resource block which are allocated for data transmission, and the reception opportunities comprise a transmit subframe which is not allocated for data transmission; transmitting a scheduling assignment (SA) on a TX opportunity of the TX opportunities; and receiving, an SA of another D2D-UE on an RX opportunity of the RX opportunities.Type: GrantFiled: June 10, 2019Date of Patent: January 21, 2020Assignee: NEC CorporationInventors: Phong Nguyen, Pushpika Wijesinghe
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Publication number: 20190313372Abstract: A device-to-device user equipment (D2D-UE) and a method for use by a device-to-device user equipment (D2D-UE) is provided. The method comprises: determining, according to a non-UE specific resource allocation configuration, a plurality of available channels within a resource pool; selecting a primary channel of the plurality of available channels for the transmission of data; determining one or more transmission (TX) opportunities and one or more reception (RX) opportunities associated with the selected primary channel, wherein the transmit opportunities comprise a transmit subframe and an associated transmit resource block which are allocated for data transmission, and the reception opportunities comprise a transmit subframe which is not allocated for data transmission; transmitting a scheduling assignment (SA) on a TX opportunity of the TX opportunities; and receiving, an SA of another D2D-UE on an RX opportunity of the RX opportunities.Type: ApplicationFiled: June 10, 2019Publication date: October 10, 2019Applicant: NEC CorporationInventors: Phong NGUYEN, Pushpika WIJESINGHE
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Patent number: 10405307Abstract: A control signalling method for use in advanced communication networks is proposed. The method provides for self-scheduling carrier aggregation, cross-carrier scheduling carrier aggregation, and hybrid-scheduling carrier aggregation for downlink data transmission on up to 32 concurrent downlink component carriers where the UE feedback on downlink data is transmitted on a single uplink component carrier.Type: GrantFiled: November 16, 2015Date of Patent: September 3, 2019Assignee: NEC CORPORATIONInventors: Phong Nguyen, Pushpika Wijesinghe
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Patent number: 10375675Abstract: A device-to-device user equipment (D2D-UE) and a method for use by a device-to-device user equipment (D2D-UE) is provided. The method comprises: determining, according to a non-UE specific resource allocation configuration, a plurality of available channels within a resource pool; selecting a primary channel of the plurality of available channels for the transmission of data; determining one or more transmission (TX) opportunities and one or more reception (RX) opportunities associated with the selected primary channel, wherein the transmit opportunities comprise a transmit subframe and an associated transmit resource block which are allocated for data transmission, and the reception opportunities comprise a transmit subframe which is not allocated for data transmission; transmitting a scheduling assignment (SA) on a TX opportunity of the TX opportunities; and receiving, an SA of another D2D-UE on an RX opportunity of the RX opportunities.Type: GrantFiled: April 3, 2018Date of Patent: August 6, 2019Assignee: NEC CorporationInventors: Phong Nguyen, Pushpika Wijesinghe
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Publication number: 20190097761Abstract: A method and system for use in an advanced wireless communication network is provided. The method comprises: providing, to a group of UEs, a resource multiplexing configuration defining resource multiplexing for cellular and non-cellular communication; and allocating resources to the group of UEs for cellular communication, according to the resource multiplexing configuration. Advantageously, the method enables collisions and interference between D2D and cellular transmissions to be reduced or avoided.Type: ApplicationFiled: November 26, 2018Publication date: March 28, 2019Applicant: NEC CorporationInventors: Pushpika WIJESINGHE, Phong NGUYEN
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Patent number: 10200159Abstract: A method and system for use in an advanced wireless communication network is provided. The method comprises: providing, to a group of UEs, a resource multiplexing configuration defining resource multiplexing for cellular and non-cellular communication; and allocating resources to the group of UEs for cellular communication, according to the resource multiplexing configuration. Advantageously, the method enables collisions and interference between D2D and cellular transmissions to be reduced or avoided.Type: GrantFiled: March 13, 2015Date of Patent: February 5, 2019Assignee: NEC CorporationInventors: Pushpika Wijesinghe, Phong Nguyen
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Publication number: 20180295608Abstract: A control signalling method for use in advanced communication networks is proposed. The method provides for self-scheduling carrier aggregation, cross-carrier scheduling carrier aggregation, and hybrid-scheduling carrier aggregation for downlink data transmission on up to 32 concurrent downlink component carriers where the UE feedback on downlink data is transmitted on a single uplink component carrier.Type: ApplicationFiled: November 16, 2015Publication date: October 11, 2018Applicant: NEC CORPORATIONInventors: Phong NGUYEN, Pushpika WIJESINGHE
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Publication number: 20180227883Abstract: A device-to-device user equipment (D2D-UE) and a method for use by a device-to-device user equipment (D2D-UE) is provided. The method comprises: determining, according to a non-UE specific resource allocation configuration, a plurality of available channels within a resource pool; selecting a primary channel of the plurality of available channels for the transmission of data; determining one or more transmission (TX) opportunities and one or more reception (RX) opportunities associated with the selected primary channel, wherein the transmit opportunities comprise a transmit subframe and an associated transmit resource block which are allocated for data transmission, and the reception opportunities comprise a transmit subframe which is not allocated for data transmission; transmitting a scheduling assignment (SA) on a TX opportunity of the TX opportunities; and receiving, an SA of another D2D-UE on an RX opportunity of the RX opportunities.Type: ApplicationFiled: April 3, 2018Publication date: August 9, 2018Applicant: NEC CorporationInventors: Phong NGUYEN, Pushpika WIJESINGHE
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Patent number: 10045191Abstract: A wireless communication system (100) is disclosed in which UEs (120a-120c) can operate in a cellular mode wherein data is transmitted from one UE to another via one or more access nodes in a cellular network, and at least some UEs (120c) are D2D-UEs which can also operate in a direct communication mode wherein a pair of D2D-UEs transmit data directly from one to the other, wherein D2D-UEs operating in the direct communication mode maintain control signaling connection with the network and periodically change to the cellular mode and send CSI to the network, and the network uses CSI and/or network available geographical location information for D2D-UEs in determining whether to cause D2D-UEs to operate in the direct communication mode or the cellular mode.Type: GrantFiled: April 9, 2014Date of Patent: August 7, 2018Assignee: NEC CorporationInventors: Phong Nguyen, Pushpika Wijesinghe
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Patent number: 9961671Abstract: A device-to-device user equipment (D2D-UE) and a method for use by a device-to-device user equipment (D2D-UE) is provided. The method comprises: determining, according to a non-UE specific resource allocation configuration, a plurality of available channels within a resource pool; selecting a primary channel of the plurality of available channels for the transmission of data; determining one or more transmission (TX) opportunities and one or more reception (RX) opportunities associated with the selected primary channel, wherein the transmit opportunities comprise a transmit subframe and an associated transmit resource block which are allocated for data transmission, and the reception opportunities comprise a transmit subframe which is not allocated for data transmission; transmitting a scheduling assignment (SA) on a TX opportunity of the TX opportunities; and receiving, an SA of another D2D-UE on an RX opportunity of the RX opportunities.Type: GrantFiled: March 16, 2015Date of Patent: May 1, 2018Assignee: NEC CorporationInventors: Phong Nguyen, Pushpika Wijesinghe
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Publication number: 20170230937Abstract: A device-to-device user equipment (D2D-UE) and a method for use by a device-to-device user equipment (D2D-UE) is provided. The method comprises: determining, according to a non-UE specific resource allocation configuration, a plurality of available channels within a resource pool; selecting a primary channel of the plurality of available channels for the transmission of data; determining one or more transmission (TX) opportunities and one or more reception (RX) opportunities associated with the selected primary channel, wherein the transmit opportunities comprise a transmit subframe and an associated transmit resource block which are allocated for data transmission, and the reception opportunities comprise a transmit subframe which is not allocated for data transmission; transmitting a scheduling assignment (SA) on a TX opportunity of the TX opportunities; and receiving, an SA of another D2D-UE on an RX opportunity of the RX opportunities.Type: ApplicationFiled: March 16, 2015Publication date: August 10, 2017Applicant: NEC CorporationInventors: Phong NGUYEN, Pushpika WIJESINGHE
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Publication number: 20170027015Abstract: A method and system for use in an advanced wireless communication network is provided. The method comprises: providing, to a group of UEs, a resource multiplexing configuration defining resource multiplexing for cellular and non-cellular communication; and allocating resources to the group of UEs for cellular communication, according to the resource multiplexing configuration. Advantageously, the method enables collisions and interference between D2D and cellular transmissions to be reduced or avoided.Type: ApplicationFiled: March 13, 2015Publication date: January 26, 2017Applicant: NEC CorporationInventors: Pushpika WIJESINGHE, Phong NGUYEN
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Patent number: 9532204Abstract: A method is disclosed for use in device-to-device (D2D) discovery in a wireless communication network. The network includes at least one base station and a plurality of D2D capable user equipments (D2D-UEs). The network also supports cellular communication and direct communication between D2D-UEs. The method includes transmitting D2D discovery system information (D2D-SIB) from the base station to D2D-UEs, wherein the D2D-SIB indicates frame(s)/subframe(s) for D2D-UEs to transmit D2D discovery request signal(s) and frame(s)/subframe(s) for D2D-UEs to transmit D2D discovery response signal(s). The method also includes transmitting one or more D2D discovery request signal(s) from one D2D-UE, and upon receipt of a said D2D discovery request signal by another D2D-UE, transmitting from said other D2D-UE one or more D2D discovery response signal(s). The D2D discovery request signal(s) and D2D discovery response signal(s) are transmitted on the frame(s)/subframe(s) indicated in the D2D-SIB.Type: GrantFiled: July 9, 2014Date of Patent: December 27, 2016Assignee: NEC CorporationInventors: Phong Nguyen, Pushpika Wijesinghe
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Publication number: 20160112858Abstract: A method is disclosed for use in device-to-device (D2D) discovery in a wireless communication network. The network includes at least one base station and a plurality of D2D capable user equipments (D2D-UEs). The network also supports cellular communication and direct communication between D2D-UEs. The method includes transmitting D2D discovery system information (D2D-SIB) from the base station to D2D-UEs, wherein the D2D-SIB indicates frame(s)/subframe(s) for D2D-UEs to transmit D2D discovery request signal(s) and frame(s)/subframe(s) for D2D-UEs to transmit D2D discovery response signal(s). The method also includes transmitting one or more D2D discovery request signal(s) from one D2D-UE, and upon receipt of a said D2D discovery request signal by another D2D-UE, transmitting from said other D2D-UE one or more D2D discovery response signal(s). The D2D discovery request signal(s) and D2D discovery response signal(s) are transmitted on the frame(s)/subframe(s) indicated in the D2D-SIB.Type: ApplicationFiled: July 9, 2014Publication date: April 21, 2016Applicants: NEC CORPORATION, NEC CORPORATIONInventors: Phong NGUYEN, Pushpika WIJESINGHE