Patents by Inventor Long Le
Long Le 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: 20190326943Abstract: A case for a mobile device includes a bumper portion and a module portion. The module portion is attached to the bumper portion. The bumper portion has a border configured to receive a mobile device. The module portion includes a base portion, a back plate and battery portion. The base portion is attached to the back plate. The battery portion is positioned between the base portion and the back plate. The battery portion includes a plurality of battery cells, a printed circuit board assembly and a plurality of electromagnetic induction coils all operably connected to one another.Type: ApplicationFiled: January 18, 2019Publication date: October 24, 2019Inventors: Alex Nguyen, Jake Steelman, Andrew Namminga, Long Le, Rian Abraham
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Patent number: 10277266Abstract: A case for a mobile device includes a bumper portion and a module portion. The module portion is attached to the bumper portion. The bumper portion has a border configured to receive a mobile device. The module portion includes a base portion, a back plate and battery portion. The base portion is attached to the back plate. The battery portion is positioned between the base portion and the back plate. The battery portion includes a plurality of battery cells, a printed circuit board assembly and a plurality of electromagnetic induction coils all operably connected to one another.Type: GrantFiled: August 23, 2018Date of Patent: April 30, 2019Inventors: Alex Nguyen, Jake Steelman, Andrew Namminga, Long Le, Rian Abraham
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Patent number: 10044589Abstract: A method for supporting vehicular communication in a cellular-based communication system includes connecting at least one base station and a plurality of vehicles equipped with mobile communication devices. A centralized control entity coordinates packet transmissions of the vehicles. Adjustment of a packet transmission rate is done recursively, where parameters of packet transmission characteristics are measured and the control entity determines, based on the parameters of packet transmission characteristics, an optimal packet transmission rate. The vehicles and/or the control entity transmit packets use the optimal packet transmission rate.Type: GrantFiled: January 29, 2013Date of Patent: August 7, 2018Assignee: NEC CORPORATIONInventors: Long Le, Nikola Zahariev, Shiqiang Wang
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Patent number: 9794049Abstract: A method for resource management in a cellular communication network, wherein the network includes at least one base station per cell for a plurality of cells that operates in TDD (Time Division Duplex) transmission mode, wherein the base stations implement a respective UL/DL configuration mode in which frames are composed of a specific sequence of downlink DL, uplink UL and special S subframes, is characterized in that the base stations are operated such that neighboring base stations with adjacent and/or overlapping coverage areas employ different UL/DL configuration modes, wherein interference between neighboring base stations is taken account of by implementing power control on a subframe basis. Furthermore, a resource management system for use in a cellular communication network is described.Type: GrantFiled: July 24, 2012Date of Patent: October 17, 2017Assignee: NEC CORPORATIONInventors: Konstantinos Samdanis, Peter Rost, Long Le
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Patent number: 9705991Abstract: An Intelligent Transport System enabled cellular mobile network, comprising an infrastructure including a number of base stations (5), and a number of vehicles (4) being equipped with both vehicle-to-vehicle and vehicle-to-infrastructure communication facilities, wherein particular events function as trigger for said vehicles (4) to send event specific warning messages to their serving base station (5a) within said infrastructure, is characterized in that said base stations (5) comprise an evaluation module being configured to analyze and categorize warning messages received from any of said vehicles (4) according to predefinable criteria, and to estimate the number of vehicles (4) that may be affected by the event related to a warning message, and a control module for performing uplink radio resource adaptation dependent on said warning message's category and said estimated number of affected vehicles (4).Type: GrantFiled: July 4, 2012Date of Patent: July 11, 2017Assignee: NEC CORPORATIONInventors: Andreas Mäder, Long Le
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Publication number: 20160301514Abstract: A method for resource management in a cellular communication network, wherein the network includes at least one base station per cell for a plurality of cells that operates in TDD (Time Division Duplex) transmission mode, wherein the base stations implement a respective UL/DL configuration mode in which frames are composed of a specific sequence of downlink DL, uplink UL and special S subframes, is characterized in that the base stations are operated such that neighboring base stations with adjacent and/or overlapping coverage areas employ different UL/DL configuration modes, wherein interference between neighboring base stations is taken account of by implementing power control on a subframe basis. Furthermore, a resource management system for use in a cellular communication network is described.Type: ApplicationFiled: June 23, 2016Publication date: October 13, 2016Inventors: Konstantinos SAMDANIS, Peter ROST, Long LE
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Publication number: 20150326462Abstract: A method for supporting vehicular communication in a cellular-based communication system includes connecting at least one base station and a plurality of vehicles equipped with mobile communication devices. A centralized control entity coordinates packet transmissions of the vehicles. Adjustment of a packet transmission rate is done recursively, where parameters of packet transmission characteristics are measured and the control entity determines, based on the parameters of packet transmission characteristics, an optimal packet transmission rate. The vehicles and/or the control entity transmit packets use the optimal packet transmission rate.Type: ApplicationFiled: January 29, 2013Publication date: November 12, 2015Inventors: Long LE, Nikola Zahariev, Shiqiang Wang
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Publication number: 20150326668Abstract: An Intelligent Transport System enabled cellular mobile network, comprising an infrastructure including a number of base stations (5), and a number of vehicles (4) being equipped with both vehicle-to-vehicle and vehicle-to-infrastructure communication facilities, wherein particular events function as trigger for said vehicles (4) to send event specific warning messages to their serving base station (5a) within said infrastructure, is characterized in that said base stations (5) comprise an evaluation module being configured to analyze and categorize warning messages received from any of said vehicles (4) according to predefinable criteria, and to estimate the number of vehicles (4) that may be affected by the event related to a warning message, and a control module for performing uplink radio resource adaptation dependent on said warning message's category and said estimated number of affected vehicles (4).Type: ApplicationFiled: July 4, 2012Publication date: November 12, 2015Applicant: NEC Europe Ltd.Inventors: Andreas Mäder, Long Le
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Patent number: 8958339Abstract: A method for supporting routing decisions in a wireless mesh network, wherein the network (1) includes a multitude of wireless mesh nodes (2) and wherein at least two of the multitude of wireless mesh nodes (2) function as wireless mesh gateways (3) being connected to a wired infrastructure network (5) via wired and/or wireless links. With respect to an efficient routing of intra-mesh traffic that avoids congestions at the mesh gateways (3) as far as possible, the method includes the steps of performing a discovery mechanism for the wireless mesh gateways (3) to find and/or identify each other, establishing virtual wireless mesh links between the wireless mesh gateways (3) via the wired infrastructure network (5), determining the characteristics of the virtual wireless mesh links, and announcing the characteristics to the wireless mesh nodes (2). Further, a corresponding wireless mesh network with routing decision support is disclosed.Type: GrantFiled: May 22, 2009Date of Patent: February 17, 2015Assignee: NEC Europe Ltd.Inventors: Long Le, Frank Zdarsky
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Patent number: 8902917Abstract: A method for coordination of wireless transceivers of a network node, in particular for application in communication nodes of a vehicular network, wherein the network node is equipped with one or more wireless transceivers that are capable of simultaneously generating and/or receiving electromagnetic signals on different electromagnetic channels, the electromagnetic signals being potentially able to interfere with each other, is characterized in the steps of, for each pending packet transmission on a particular of the electromagnetic channels, checking the presence of ongoing and/or scheduled activity on one or more of the other of the electromagnetic channels, and deferring the pending packet transmission in case ongoing and/or scheduled activity is detected on one or more of the other of the electromagnetic channels, at least until the detected ongoing and/or scheduled activity on one or more of the other of the electromagnetic channels is completed. Furthermore, a corresponding network node is disclosed.Type: GrantFiled: May 29, 2009Date of Patent: December 2, 2014Assignee: NEC Europe, Ltd.Inventors: Long Le, Roberto Baldessari, Andreas Festag, Wenhui Zhang
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Patent number: 8880009Abstract: A method for performing communication in a self-organized wireless network, in particular a vehicular network, preferably based on the IEEE 802.Type: GrantFiled: September 28, 2010Date of Patent: November 4, 2014Assignee: NEC Europe Ltd.Inventors: Roberto Baldessari, Damiano Scanferla, Long Le, Wenhui Zhang, Andreas Festag
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Patent number: 8804643Abstract: A method for enabling multi-channel signaling in a communication network, including a multitude of communication nodes, wherein the communication among the communication nodes is performed by sending and receiving messages on communication channels including a control channel and at least one service channel, is characterized in that communication nodes embed information related to communication channel usage in messages sent on one of the communication channels, in particular the control channel, wherein the information indicates to others of the communication nodes a communication channel, in particular a service channel, intended to be employed for a specific service and/or application by the communication node having sent the respective message, and wherein communication nodes that receive a message including information related to communication channel usage forward the information by embedding the information in any of their own messages to be sent on a communication channel, in particular on the controType: GrantFiled: September 1, 2010Date of Patent: August 12, 2014Assignee: NEC Europe Ltd.Inventors: Wenhui Zhang, Andreas Festag, Roberto Baldessari, Long Le
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Publication number: 20140153454Abstract: A method for resource management in a cellular communication network, wherein the network includes at least one base station per cell for a plurality of cells that operates in TDD (Time Division Duplex) transmission mode, wherein the base stations implement a respective UL/DL configuration mode in which frames are composed of a specific sequence of downlink DL, uplink UL and special S subframes, is characterized in that the base stations are operated such that neighboring base stations with adjacent and/or overlapping coverage areas employ different UL/DL configuration modes, wherein interference between neighboring base stations is taken account of by implementing power control on a subframe basis. Furthermore, a resource management system for use in a cellular communication network is described.Type: ApplicationFiled: July 24, 2012Publication date: June 5, 2014Applicant: NEC Europe Ltd.Inventors: Konstantinos Samdanis, Peter Rost, Long Le
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Patent number: 8675557Abstract: A method for communication between nodes in a wireless network, in particular in a wireless ad hoc or mesh network, wherein multiple wireless channels with different frequency bands are provided and wherein the nodes are enabled to operate on the different channels is characterized in that each the node has assigned a home channel where it usually resides, wherein a node that leaves its home channel and switches to another of the multiple channels—temporary operating channel—provides information about the temporary operating channel on the node's home channel.Type: GrantFiled: August 21, 2009Date of Patent: March 18, 2014Assignee: NEC Europe Ltd.Inventor: Long Le
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Patent number: 8533301Abstract: A method for controlling proxy binding of a mobile node in a network that supports network-based mobility management, wherein the mobile node includes at least one network interface that is employed for attaching to the network via an access router, wherein a mobile node's binding for a network interface is initiated by a binding request, is characterized in that the mobile node's binding for a new network interface is qualified as a preliminary binding, which is not employed for downlink data transmission, and that the mobile node's preliminary binding is activated, after the mobile node's new network interface has been configured.Type: GrantFiled: September 19, 2008Date of Patent: September 10, 2013Assignee: NEC Europe Ltd.Inventors: Marco Liebsch, Long Le
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Publication number: 20120188964Abstract: A method for enabling multi-channel signaling in a communication network, including a multitude of communication nodes, wherein the communication among the communication nodes is performed by sending and receiving messages on communication channels including a control channel and at least one service channel, is characterized in that communication nodes embed information related to communication channel usage in messages sent on one of the communication channels, in particular the control channel, wherein the information indicates to others of the communication nodes a communication channel, in particular a service channel, intended to be employed for a specific service and/or application by the communication node having sent the respective message, and wherein communication nodes that receive a message including information related to communication channel usage forward the information by embedding the information in any of their own messages to be sent on a communication channel, in particular on the controType: ApplicationFiled: September 1, 2010Publication date: July 26, 2012Applicant: NEC EUROPE LTD.Inventors: Wenhui Zhang, Andreas Festag, Roberto Baldessari, Long Le
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Publication number: 20120184321Abstract: A method for performing communication in a self-organized wireless network, in particular a vehicular network, preferably based on the IEEE 802.Type: ApplicationFiled: September 28, 2010Publication date: July 19, 2012Applicant: NEC EUROPE LTD.Inventors: Roberto Baldessari, Damiano Scanferla, Long Le, Wenhui Zhang, Andreas Festag
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Publication number: 20120134342Abstract: A method for coordination of wireless transceivers of a network node, in particular for application in communication nodes of a vehicular network, wherein the network node is equipped with one or more wireless transceivers that are capable of simultaneously generating and/or receiving electromagnetic signals on different electromagnetic channels, the electromagnetic signals being potentially able to interfere with each other, is characterized in the steps of, for each pending packet transmission on a particular of the electromagnetic channels, checking the presence of ongoing and/or scheduled activity on one or more of the other of the electromagnetic channels, and deferring the pending packet transmission in case ongoing and/or scheduled activity is detected on one or more of the other of the electromagnetic channels, at least until the detected ongoing and/or scheduled activity on one or more of the other of the electromagnetic channels is completed. Furthermore, a corresponding network node is disclosed.Type: ApplicationFiled: May 29, 2009Publication date: May 31, 2012Applicant: NEC EUROPE LTD.Inventors: Long Le, Roberto Baldessari, Andreas Festag, Wenhui Zhang
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Publication number: 20120008527Abstract: A method for supporting routing decisions in a wireless mesh network, wherein the network (1) includes a multitude of wireless mesh nodes (2) and wherein at least two of the multitude of wireless mesh nodes (2) function as wireless mesh gateways (3) being connected to a wired infrastructure network (5) via wired and/or wireless links. With respect to an efficient routing of intra-mesh traffic that avoids congestions at the mesh gateways (3) as far as possible, the method includes the steps of performing a discovery mechanism for the wireless mesh gateways (3) to find and/or identify each other, establishing virtual wireless mesh links between the wireless mesh gateways (3) via the wired infrastructure network (5), determining the characteristics of the virtual wireless mesh links, and announcing the characteristics to the wireless mesh nodes (2). Further, a corresponding wireless mesh network with routing decision support is disclosed.Type: ApplicationFiled: May 22, 2009Publication date: January 12, 2012Applicant: NEC EUROPE LTD.Inventors: Long Le, Frank Zdarsky
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Publication number: 20110149899Abstract: A method for communication between nodes in a wireless network, in particular in a wireless ad hoc or mesh network, wherein multiple wireless channels with different frequency bands are provided and wherein the nodes are enabled to operate on the different channels is characterized in that each the node has assigned a home channel where it usually resides, wherein a node that leaves its home channel and switches to another of the multiple channels—temporary operating channel—provides information about the temporary operating channel on the node's home channel.Type: ApplicationFiled: August 21, 2009Publication date: June 23, 2011Applicant: NEC EUROPE LTD.Inventor: Long Le