Patents by Inventor Rama Vuyyuru
Rama Vuyyuru 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: 10044817Abstract: The disclosure includes a system and method for provisioning wireless application services in sparsely connected wireless environments. The system includes a processor and a memory storing instructions that, when executed, cause the system to: estimate journey requirements; generate a current connectivity map based on driving-related data; generate a current connectivity map based on driving-related data; estimate services for a current journey; and generate a prioritized list of services and at least one expiration time for one of the services.Type: GrantFiled: July 16, 2014Date of Patent: August 7, 2018Inventors: Rama Vuyyuru, John Mark Agosta, Rahul Parundekar, Daisuke Hiroki
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Patent number: 9736755Abstract: An open communication method between at least two sub-networks using a broker node. Each of the sub-networks has a different routable network addressing scheme. The method comprises receiving a packet for a specific application, the packet includes an application identifier, determining if the packet is to be relayed to another of the at least two sub-network based upon the application identifier, determining if a node receiving the packet is a broker node, relaying the packet to a broker node if not a broker node and forwarding, by the broker node, the packet to at least one node in another of the at least two sub-network. The node generating the packet is configured to communicate using a first of the at least two sub-networks. A broker node is configured for communicating using at least two of the at least two sub-network via a corresponding routable network addressing schemes for each of the sub-networks.Type: GrantFiled: July 28, 2014Date of Patent: August 15, 2017Assignee: Telcordia Technologies, Inc.Inventors: Wai Chen, Ratul Guha, John Lee, Junichiro Fukuyama, Rama Vuyyuru
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Publication number: 20160163319Abstract: The disclosure includes a system and method for determining a degree of automaticity for a mobile system operation. The system includes a processor and a memory storing instructions that, when executed, cause the system to: receive sensor data from one or more sensors communicatively coupled to the processor, determine a current state of a mobile system based on the sensor data, determine that the current state of the mobile system is a candidate to be changed to a target state based on a comparison of the current state to the target state, and determine a degree of automaticity for an operation to change the current state of the mobile system to the target state.Type: ApplicationFiled: December 9, 2014Publication date: June 9, 2016Inventors: Rahul PARUNDEKAR, John Mark AGOSTA, Rama VUYYURU, Daisuke HIROKI
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Patent number: 9245446Abstract: A multiple hop communications method among a plurality of moving vehicles. Each moving vehicles has a plurality of unidirectional radio. The method comprises receiving an incoming packet at one of the plurality of unidirectional radios, determining if there is an active link between each of the plurality of unidirectional radios and an unidirectional radio of a neighbor vehicle, relaying the incoming packet to the plurality of unidirectional radios having an active link and transmitting the incoming packet as an outgoing packet from at least one of the plurality of unidirectional radios. If more than one packet is received, the packets can be encoded using group coding before send the packets out as an outgoing packet.Type: GrantFiled: June 23, 2011Date of Patent: January 26, 2016Assignees: Telcordia Technologies, Inc., Toyota Infotechnology Center, U.S.A., Inc.Inventors: Wai Chen, Ratul Guha, John Lee, Junichiro Fukuyama, Rama Vuyyuru
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Publication number: 20160021190Abstract: The disclosure includes a system and method for provisioning wireless application services in sparsely connected wireless environments. The system includes a processor and a memory storing instructions that, when executed, cause the system to: estimate journey requirements; generate a current connectivity map based on driving-related data; generate a current connectivity map based on driving-related data; e; estimate services for a current journey; and generate a prioritized list of services and at least one expiration time for one of the services.Type: ApplicationFiled: July 16, 2014Publication date: January 21, 2016Inventors: Rama VUYYURU, John Mark AGOSTA, Rahul PARUNDEKAR, Daisuke HIROKI
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Patent number: 9077720Abstract: Network architecture configured for open communication between a plurality of sub-networks. Each of the plurality of sub-networks has a different routable network addressing scheme. The architecture includes at least one broker node adapted to communicate using at least two different routable network addressing schemes. The broker node comprises an identification management module configured to collect peer-application addresses for nodes currently accessing a specific application, the peer-application addresses being associated with a specific application, an address resolution module configured to map each of the peer-application addresses to a sub-network specific routable network address and a network coordination module configured to monitor and coordinate sub-network communication capabilities between the broker node and at least one other broker node and elect a primary broker node for each sub-network which the broker node and at least one other broker node is capable of communication.Type: GrantFiled: January 10, 2014Date of Patent: July 7, 2015Assignee: Telcordia Technologies, Inc.Inventors: Wai Chen, John Lee, Ratul Guha, Yibei Ling, Taek-Jin Kwon, Rama Vuyyuru, Junichiro Fukuyama
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Publication number: 20150055540Abstract: An open communication method between at least two sub-networks using a broker node. Each of the sub-networks has a different routable network addressing scheme. The method comprises receiving a packet for a specific application, the packet includes an application identifier, determining if the packet is to be relayed to another of the at least two sub-network based upon the application identifier, determining if a node receiving the packet is a broker node, relaying the packet to a broker node if not a broker node and forwarding, by the broker node, the packet to at least one node in another of the at least two sub-network. The node generating the packet is configured to communicate using a first of the at least two sub-networks. A broker node is configured for communicating using at least two of the at least two sub-network via a corresponding routable network addressing schemes for each of the sub-networks.Type: ApplicationFiled: July 28, 2014Publication date: February 26, 2015Inventors: Wai Chen, Ratul Guha, John Lee, Junichiro Fukuyama, Rama Vuyyuru
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Patent number: 8894413Abstract: A method, simulator and program for simulating vehicular movement based upon user input parameters related to simulation topology and simulation vehicles including, but not limited to linear vehicular density. The simulator generates the simulation topology having a simulation area using the user input parameters, places a plurality of simulation vehicles within the simulation area at an initial placement using at least two input parameters related to simulation vehicle and the generated simulation topology; and determines movement of the plurality of simulation vehicles starting with the initial placement using a plurality of movement models. Each of the plurality of simulation vehicles has mobility characteristics generated using the plurality of movement models. When vehicle moves outside the simulation area, the vehicle re-emerges at a location within the simulation area. The vehicle re-emerges with new movement characteristics.Type: GrantFiled: September 22, 2010Date of Patent: November 25, 2014Assignees: Telcordia Technologies, Inc., Toyota Infotechnology Center, USA, Inc.Inventors: Marcus Pang, Wai Chen, Jasmine Chennikara-Varghese, Ratul Guha, John Lee, Rama Vuyyuru, Junichiro Fukuyama
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Patent number: 8792492Abstract: An open communication method between at least two sub-networks using a broker node. Each of the sub-networks has a different routable network addressing scheme. The method comprises receiving a packet for a specific application, the packet includes an application identifier, determining if the packet is to be relayed to another of the at least two sub-networks based upon the application identifier, determining if a node receiving the packet is a broker node, relaying the packet to a broker node if not a broker node and forwarding, by the broker node, the packet to at least one node in another of the at least two sub-networks. The node generating the packet communicates using a first of the at least two sub-networks. A broker node communicates using at least two of the at least two sub-networks via a corresponding routable network addressing schemes for each of the sub-networks.Type: GrantFiled: October 17, 2011Date of Patent: July 29, 2014Assignees: Telcordia Technologies, Inc., Toyota Infotechnology Center U.S.A., Inc.Inventors: Wai Chen, Ratul Guha, John Lee, Junichiro Fukuyama, Rama Vuyyuru
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Patent number: 8762518Abstract: A method for maintaining a local peer group (LPG) for supporting communications among vehicles. The LPG is formed from a plurality of vehicles. Each vehicle is equipped with a wireless communications device. One of the vehicles is selected as a group header node (GH). The method comprises receiving periodically a heartbeat packet from the GH, the heartbeat packet including a maximum hop count, and a heartbeat cycle, forwarding the heartbeat packet until the maximum hop count is reached after waiting for a first random relay delay, which is less than a maximum allowable adjustable value, replying to the heartbeat packet with a membership report packet, forwarding a membership report packet towards the GH, and adding a vehicle that submitted the membership report packet to a LPG membership as a member node of the LPG if the membership report packet is new or updating information for a member node.Type: GrantFiled: July 10, 2009Date of Patent: June 24, 2014Assignees: Telcordia Technologies, Inc., Toyota Infotechnology Center U.S.A., Inc.Inventors: Wai Chen, Taek-Jin Kwon, Ryokichi Onishi, Rama Vuyyuru
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Publication number: 20140133402Abstract: Network architecture configured for open communication between a plurality of sub-networks. Each of the plurality of sub-networks has a different routable network addressing scheme. The architecture includes at least one broker node adapted to communicate using at least two different routable network addressing schemes. The broker node comprises an identification management module configured to collect peer-application addresses for nodes currently accessing a specific application, the peer-application addresses being associated with a specific application, an address resolution module configured to map each of the peer-application addresses to a sub-network specific routable network address and a network coordination module configured to monitor and coordinate sub-network communication capabilities between the broker node and at least one other broker node and elect a primary broker node for each sub-network which the broker node and at least one other broker node is capable of communication.Type: ApplicationFiled: January 10, 2014Publication date: May 15, 2014Applicants: Toyota InfoTechnology Center, U.S.A., Inc., Telcordia Technologies, Inc.Inventors: Wai Chen, John Lee, Ratul Guha, Yibei Ling, Taek-Jin Kwon, Rama Vuyyuru, Junichiro Fukuyama
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Patent number: 8665789Abstract: Network architecture configured for open communication between a plurality of sub-networks. Each of the plurality of sub-networks has a different routable network addressing scheme. The architecture includes at least one broker node adapted to communicate using at least two different routable network addressing schemes. The broker node comprises an identification management module configured to collect peer-application addresses for nodes currently accessing a specific application, the peer-application addresses being associated with a specific application, an address resolution module configured to map each of the peer-application addresses to a sub-network specific routable network address and a network coordination module configured to monitor and coordinate sub-network communication capabilities between the broker node and at least one other broker node and elect a primary broker node for each sub-network which the broker node and at least one other broker node is capable of communication.Type: GrantFiled: April 13, 2011Date of Patent: March 4, 2014Assignees: Telcordia Technologies, Inc., Toyota Infotechnology Center, U.S.A.Inventors: Wai Chen, John Lee, Ratul Guha, Yibei Ling, Taek-Jin Kwon, Rama Vuyyuru, Junichiro Fukuyama
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Patent number: 8570994Abstract: The present invention offers systems and methods for effective multiple-hop routing, multicasting and media access control for vehicle group communications that employ directional wireless radio technology. Multi-beam optic-wireless media and streamlined operations provide low-overhead communications among vehicles. Systems and methods are provided to maintain a quasi-stationary group of neighboring vehicles, enable high-throughput on-demand switching among multiple vehicles, enable group coding in the vehicle group to achieve higher throughput, and enable dynamic adjustment of link to maintain desirable vehicle group. The proposed solution builds upon the conception of a MAC-free wireless operation and quasi-stationary vehicular switched network to achieve ultra-low-overhead and high-throughput vehicle communications.Type: GrantFiled: October 19, 2011Date of Patent: October 29, 2013Assignees: Telcordia Technologies, Inc., Toyota Infotechnology Center, U.S.A., Inc.Inventors: Wai Chen, John Lee, Ratul K. Guha, Ryokichi Onishi, Rama Vuyyuru
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Publication number: 20130094509Abstract: An open communication method between at least two sub-networks using a broker node. Each of the sub-networks has a different routable network addressing scheme. The method comprises receiving a packet for a specific application, the packet includes an application identifier, determining if the packet is to be relayed to another of the at least two sub-networks based upon the application identifier, determining if a node receiving the packet is a broker node, relaying the packet to a broker node if not a broker node and forwarding, by the broker node, the packet to at least one node in another of the at least two sub-networks. The node generating the packet communicates using a first of the at least two sub-networks. A broker node communicates using at least two of the at least two sub-networks via a corresponding routable network addressing schemes for each of the sub-networks.Type: ApplicationFiled: October 17, 2011Publication date: April 18, 2013Applicants: TOYOTA INFOTECHNOLOGY CENTER USA, INC., TELCORDIA TECHNOLOGIES, INC.Inventors: Wai Chen, Ratul Guha, John Lee, Junichiro Fukuyama, Rama Vuyyuru
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Publication number: 20120327840Abstract: A multiple hop communications method among a plurality of moving vehicles. Each moving vehicles has a plurality of unidirectional radio. The method comprises receiving an incoming packet at one of the plurality of unidirectional radios, determining if there is an active link between each of the plurality of unidirectional radios and an unidirectional radio of a neighbor vehicle, relaying the incoming packet to the plurality of unidirectional radios having an active link and transmitting the incoming packet as an outgoing packet from at least one of the plurality of unidirectional radios. If more than one packet is received, the packets can be encoded using group coding before send the packets out as an outgoing packet.Type: ApplicationFiled: June 23, 2011Publication date: December 27, 2012Applicant: TELCORDIA TECHNOLOGIES, INC.Inventors: Wai Chen, Ratul Guha, John Lee, Junichiro Fukuyama, Rama Vuyyuru
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Patent number: 8295257Abstract: A method for transmitting data in vehicular network comprising determining a communication window between at least two nodes, grouping a plurality of fragments of content together into an aggregate fragment block, forwarding the aggregate fragment block to a target node and assembling the plurality of fragments into the content. The content is divided into the plurality of fragments. A fragment signature is generated for the fragments that contain fragment index information regarding each fragment. Each fragment is unambiguously identified by its signature. A number of fragments grouped into the aggregate fragment block is dependent on the communication window.Type: GrantFiled: March 13, 2009Date of Patent: October 23, 2012Assignees: Telcordia Technologies, Inc., Toyota Infotechnology Center, U.S.A, Inc.Inventors: Wai Chen, Jasmine Chennikara-Varghese, Rama Vuyyuru, Ryokichi Onishi
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Publication number: 20120263102Abstract: Network architecture configured for open communication between a plurality of sub-networks. Each of the plurality of sub-networks has a different routable network addressing scheme. The architecture includes at least one broker node adapted to communicate using at least two different routable network addressing schemes. The broker node comprises an identification management module configured to collect peer-application addresses for nodes currently accessing a specific application, the peer-application addresses being associated with a specific application, an address resolution module configured to map each of the peer-application addresses to a sub-network specific routable network address and a network coordination module configured to monitor and coordinate sub-network communication capabilities between the broker node and at least one other broker node and elect a primary broker node for each sub-network which the broker node and at least one other broker node is capable of communication.Type: ApplicationFiled: April 13, 2011Publication date: October 18, 2012Applicants: TOYOTA INFOTECHNOLOGY CENTER, U.S.A., INC., TELCORDIA TECHNOLOGIES, INC.Inventors: Wai Chen, John Lee, Ratul Guha, Yibei Ling, Taek-Jin Kwon, Rama Vuyyuru, Junichiro Fukuyama
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Patent number: 8274910Abstract: A method and system for determining a size of a local peer group (LPG) network in a dynamic roadway (mobile) environment is provided. In one embodiment, the method comprises measuring a roundtrip time between a first node and a second node, and utilizing the measured roundtrip time to select the size of the local peer group network from a lookup table. In another embodiment, the method comprises determining when the roundtrip time exceeds a time interval of the heartbeat signal, and when the roundtrip time exceeds the time interval of the heartbeat signal adjusting the size of the local peer group network.Type: GrantFiled: December 4, 2009Date of Patent: September 25, 2012Assignees: Telcordia Technologies, Inc., Toyota Infotechnology Center, U.S.A, Inc.Inventors: Wai Chen, Taek-Jin Kwon, Ryokichi Onishi, Rama Vuyyuru
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Publication number: 20120197618Abstract: A system and method for vehicular networking and applications visualization comprises selecting a simulation area, converting the selected simulation area to graph representation, eliminating streets outside the simulation area, generating, using the graph representation, vehicles and random vehicle traffic in the simulation area, calculating vehicle movement in coordinates, transforming the calculated coordinates into a format compatible with a general purpose communication networking simulation tool, simulating, using the transformed calculated coordinates and the general purpose communication networking simulation tool, an application, and performing visualization of the simulation. The application can be local traffic information, the vehicle movement and communication among the vehicles. The simulation can be at least 2000 seconds and communication can be disruption tolerant.Type: ApplicationFiled: January 27, 2011Publication date: August 2, 2012Applicants: Toyota InfoTechnology Center, U.S.A., Inc., Telcordia Technologies, Inc.Inventors: Marcus Pang, Wai Chen, Jasmine Chennikara-Varghese, Yibei Ling, Rama Vuyyuru, Junichiro Fukuyama
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Publication number: 20120093015Abstract: The present invention offers systems and methods for effective multiple-hop routing, multicasting and media access control for vehicle group communications that employ directional wireless radio technology. Multi-beam optic-wireless media and streamlined operations provide low-overhead communications among vehicles. Systems and methods are provided to maintain a quasi-stationary group of neighboring vehicles, enable high-throughput on-demand switching among multiple vehicles, enable group coding in the vehicle group to achieve higher throughput, and enable dynamic adjustment of link to maintain desirable vehicle group. The proposed solution builds upon the conception of a MAC-free wireless operation and quasi-stationary vehicular switched network to achieve ultra-low-overhead and high-throughput vehicle communications.Type: ApplicationFiled: October 19, 2011Publication date: April 19, 2012Applicants: TOYOTA INFOTECHNOLOGY CENTER USA, INC., TELCORDIA TECHNOLOGIES, INC.Inventors: Wai Chen, John Lee, Ratul K. Guha, Ryokichi Onishi, Rama Vuyyuru