Patents by Inventor Abdol Hamid Aghvami
Abdol Hamid Aghvami 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: 9872216Abstract: In a wireless network environment comprising first and second packet-switched access networks, each access network using a tunnelling-type micro-mobility protocol and a Quality of Service (QoS) routing protocol to route packet data to and from mobile nodes attached thereto, and each access network comprising an access router to which a mobile node may attach, a mobility agent with which said mobile node may register and a gateway, a method of facilitating network layer handover of said mobile node from said first access network to said second access network, said mobile node registered in said first access network with a serving mobility agent, which method comprises the steps of: said mobile node receiving a router advertisement from said second access network, which router advertisement comprises a network-layer address of a target mobility agent in said second access network with which said mobile node may register; and said mobile node forwarding said network-layer address to said serving mobility agent,Type: GrantFiled: September 5, 2014Date of Patent: January 16, 2018Assignee: Uniloc Luxembourg S.A.Inventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, Dev Pragad Audsin
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Patent number: 9271210Abstract: In a wireless network environment comprising a mobile router serving a moving network, said mobile router for attaching to a packet-switched access network that uses a micro-mobility protocol and a Quality of Service (QoS) protocol to route packet data to and from said mobile router, wherein said mobile router has a QoS aggregate requirement generated by nodes attached thereto, a method of handover of said mobile router to a mobility agent in said access network, which method comprises the steps of: (i) said mobile router sends a QoS request message to said mobility agent, which QoS request message comprises a QoS parameter representing said QoS aggregate; (ii) upon receipt by said mobility agent, said access network takes a QoS admission decision on the basis of said QoS parameter; and (iii) said mobility agent sends a QoS acknowledgement to said mobile router whereby said mobility agent informs said mobile router of the outcome of said QoS admission decision; characterized by the step of (iv) if said QoS adType: GrantFiled: May 6, 2014Date of Patent: February 23, 2016Assignee: Uniloc Luxembourg S.A.Inventors: George Kamel, Paul Anthony Pangalos, Andrej Mihailovic, Abdol Hamid Aghvami
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Publication number: 20150163714Abstract: In a wireless network environment comprising first and second packet-switched access networks, each access network using a tunnelling-type micro-mobility protocol and a Quality of Service (QoS) routing protocol to route packet data to and from mobile nodes attached thereto, and each access network comprising an access router to which a mobile node may attach, a mobility agent with which said mobile node may register and a gateway, a method of facilitating network layer handover of said mobile node from said first access network to said second access network, said mobile node registered in said first access network with a serving mobility agent, which method comprises the steps of: said mobile node receiving a router advertisement from said second access network, which router advertisement comprises a network-layer address of a target mobility agent in said second access network with which said mobile node may register; and said mobile node forwarding said network-layer address to said serving mobility agent,Type: ApplicationFiled: September 5, 2014Publication date: June 11, 2015Inventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, Dev Pragad Audsin
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Patent number: 8982855Abstract: For a mobile node visiting a packet-switched wireless access network, said access network using a tunnelling-type micro-mobility protocol and a Quality of Service (QoS) routing protocol to route packet data to and from said mobile node, and comprising an access router to which said mobile node may attach, a mobility agent and a gateway, a method of configuring said access network to route packet data toward said mobile node which method comprises the steps of: (a) receiving in said access network a handover indication of said mobile node or a login request therefrom; (b) in response to said handover indication or login request computing a QoS route for said mobile node, which QoS route is useable to route packets between said mobility agent and said mobile node; (c) performing step (b) at a location in said access network remote from said mobility agent; and (d) transmitting said QoS route and said handover indication or login request from said remote location toward said mobility agent; whereby upon receiptType: GrantFiled: August 22, 2008Date of Patent: March 17, 2015Assignee: Fortress Credit Co LLCInventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, Nima Nafisi
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Patent number: 8855083Abstract: In a wireless network environment comprising first and second packet-switched access networks, each access network using a tunnelling-type micro-mobility protocol and a Quality of Service (QoS) routing protocol to route packet data to and from mobile nodes attached thereto, and each access network comprising an access router to which a mobile node may attach, a mobility agent with which said mobile node may register and a gateway, a method of facilitating network layer handover of said mobile node from said first access network to said second access network, said mobile node registered in said first access network with a serving mobility agent, which method comprises the steps of: said mobile node receiving a router advertisement from said second access network, which router advertisement comprises a network-layer address of a target mobility agent in said second access network with which said mobile node may register; and said mobile node forwarding said network-layer address to said serving mobility agent,Type: GrantFiled: December 9, 2009Date of Patent: October 7, 2014Assignee: Uniloc USA, Inc.Inventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, Dev Pragad Audsin
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Publication number: 20140254560Abstract: In a wireless network environment comprising a mobile router serving a moving network, said mobile router for attaching to a packet-switched access network that uses a micro-mobility protocol and a Quality of Service (QoS) protocol to route packet data to and from said mobile router, wherein said mobile router has a QoS aggregate requirement generated by nodes attached thereto, a method of handover of said mobile router to a mobility agent in said access network, which method comprises the steps of: (i) said mobile router sends a QoS request message to said mobility agent, which QoS request message comprises a QoS parameter representing said QoS aggregate; (ii) upon receipt by said mobility agent, said access network takes a QoS admission decision on the basis of said QoS parameter; and (iii) said mobility agent sends a QoS acknowledgement to said mobile router whereby said mobility agent informs said mobile router of the outcome of said QoS admission decision; characterized by the step of (iv) if said QoS adType: ApplicationFiled: May 6, 2014Publication date: September 11, 2014Applicant: Uniloc USA, Inc.Inventors: George Kamel, Paul Anthony Pangalos, Andrej Mihailovic, Abdol Hamid Aghvami
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Patent number: 8750243Abstract: In a wireless network environment comprising a mobile router serving a moving network, said mobile router for attaching to a packet-switched access network that uses a micro-mobility protocol and a Quality of Service (QoS) protocol to route packet data to and from said mobile router, wherein said mobile router has a QoS aggregate requirement generated by nodes attached thereto, a method of handover of said mobile router to a mobility agent in said access network, which method comprises the steps of: (i) said mobile router sends a QoS request message to said mobility agent, which QoS request message comprises a QoS parameter representing said QoS aggregate; (ii) upon receipt by said mobility agent, said access network takes a QoS admission decision on the basis of said QoS parameter; and (iii) said mobility agent sends a QoS acknowledgement to said mobile router whereby said mobility agent informs said mobile router of the outcome of said QoS admission decision; characterized by the step of (iv) if said QoS adType: GrantFiled: December 9, 2009Date of Patent: June 10, 2014Assignee: Uniloc USA, Inc.Inventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, George Kamel, Andrej Mihailovic
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Patent number: 8681684Abstract: A method of transmitting data across an electronic data communication system comprising a plurality of terminals that can send and receive data in the form of electromagnetic waves to and from at least one of the terminals, which method comprises the steps of: (a) identifying at least one control terminal, at least one target terminal and at least two relaying terminals from the plurality of terminals; and (b) using the control terminal to instruct the at least two relaying terminals to receive and relay data intended for the at least one target terminal, so that the at least one target terminal can receive data directly from at least one terminal and from the at least two relaying terminals, thereby increasing capacity of the system.Type: GrantFiled: July 27, 2010Date of Patent: March 25, 2014Assignee: King's College LondonInventors: Mischa Dohler, Abdol Hamid Aghvami, Fatin Said, Seyed Ali Ghorashi
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Publication number: 20110019608Abstract: A method of transmitting data across an electronic data communication system comprising a plurality of terminals that can send and receive data in the form of electromagnetic waves to and from at least one of the terminals, which method comprises the steps of: (a) identifying at least one control terminal, at least one target terminal and at least two relaying terminals from the plurality of terminals; and (b) using the control terminal to instruct the at least two relaying terminals to receive and relay data intended for the at least one target terminal, so that the at least one target terminal can receive data directly from at least one terminal and from the at least two relaying terminals, thereby increasing capacity of the system.Type: ApplicationFiled: July 27, 2010Publication date: January 27, 2011Applicant: King's College LondonInventors: Mischa Dohler, Abdol Hamid Aghvami, Fatin Said, Seyed Ali Ghorashi
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Publication number: 20100150107Abstract: In a wireless network environment comprising first and second packet-switched access networks, each access network using a tunnelling-type micro-mobility protocol and a Quality of Service (QoS) routing protocol to route packet data to and from mobile nodes attached thereto, and each access network comprising an access router to which a mobile node may attach, a mobility agent with which said mobile node may register and a gateway, a method of facilitating network layer handover of said mobile node from said first access network to said second access network, said mobile node registered in said first access network with a serving mobility agent, which method comprises the steps of: said mobile node receiving a router advertisement from said second access network, which router advertisement comprises a network-layer address of a target mobility agent in said second access network with which said mobile node may register; and said mobile node forwarding said network-layer address to said serving mobility agent,Type: ApplicationFiled: December 9, 2009Publication date: June 17, 2010Inventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, Dev Pragad Audsin
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Publication number: 20100150108Abstract: In a wireless network environment comprising a mobile router serving a moving network, said mobile router for attaching to a packet-switched access network that uses a micro-mobility protocol and a Quality of Service (QoS) protocol to route packet data to and from said mobile router, wherein said mobile router has a QoS aggregate requirement generated by nodes attached thereto, a method of handover of said mobile router to a mobility agent in said access network, which method comprises the steps of: (i) said mobile router sends a QoS request message to said mobility agent, which QoS request message comprises a QoS parameter representing said QoS aggregate; (ii) upon receipt by said mobility agent, said access network takes a QoS admission decision on the basis of said QoS parameter; and (iii) said mobility agent sends a QoS acknowledgement to said mobile router whereby said mobility agent informs said mobile router of the outcome of said QoS admission decision; characterized by the step of (iv) if said QoS adType: ApplicationFiled: December 9, 2009Publication date: June 17, 2010Inventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, George Kamel, Andrej Mihailovic
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Publication number: 20090279434Abstract: In a packet-switched access network using a tunnelling-type micro-mobility protocol whereby packets are caused to flow through at least one mobility agent located in said access network, a method of reducing congestion at and/or in routers near said mobility agent, which method comprises the steps of causing packet traffic of a first class to use said tunnelling-type micro mobility protocol and packet traffic of a second class to use another mobility protocol, whereby packet traffic of said second class is routed across said access network away from said mobility agent.Type: ApplicationFiled: December 17, 2008Publication date: November 12, 2009Inventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, Dev Pragad Audsin
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Patent number: 7609613Abstract: A diversity transmitter for use in an OFDM transmission protocol which diversity transmitter comprises: a diversity generator (2) for receiving and diversifying OFDM transmit symbols, and outputting diversified OFDM symbol matrices (DOSM), DOSM symbols within each DOSM being divided into at least two primary streams each comprising different DOSM symbols, a transmit processor for receiving said at least two primary streams of DOSM symbols, and for transforming said each DOSM symbol from the frequency domain into the time domain, and outputting time domain OFDM symbols (TDOSs), a cyclic delay circuit (41 . . . 4P) for dividing at least one of said primary streams of TDOSs into at least two branches of identical TDOSs, each branch for supplying a respective spatial channel for transmission to a receiver, the arrangement being such that, in use, said cyclic delay circuit (41 . . . 4P) applies a cyclic time shift to a TDOS symbol in at least one of said branches before transmission.Type: GrantFiled: February 27, 2006Date of Patent: October 27, 2009Assignee: King's College London of The StrandInventors: Abdol Hamid Aghvami, Mischa Dohler, Fatin Said, Afzal Mahmood Lodhi, Francesco Saverio Ostuni
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Publication number: 20090252200Abstract: A method of transmitting data across an electronic data communication system comprising a plurality of terminals that can send and receive data in the form of electromagnetic waves to and from at least one of the terminals, which method comprises the steps of: (a) identifying at least one control terminal, at least one target terminal and at least two relaying terminals from the plurality of terminals; and (b) using the control terminal to instruct the at least two relaying terminals to receive and relay data intended for the at least one target terminal, so that the at least one target terminal can receive data directly from at least one terminal and from the at least two relaying terminals, thereby increasing capacity of the system.Type: ApplicationFiled: April 20, 2009Publication date: October 8, 2009Applicant: KING'S LONDON COLLEGEInventors: Mischa Dohler, Abdol Hamid Aghvami, Fatin Said, Seyed Ali Ghorashi
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Patent number: 7596385Abstract: A method of discovering multi-mode mobile terminals (13) in a heterogeneous network environment, each multi-mode mobile terminal (13) having at least one interface for sending packet data to and/or receiving packet data from a home radio communication network (11) and a foreign radio communication network (12), said home radio communication network having a different access technology from said foreign radio communication network, each multi-mode mobile terminal (13) performing the steps of: (a) listening to said foreign radio communication network (12); (b) receiving and storing a foreign network indicator for indicating presence of said foreign radio communication network (12); and (c) transmitting said foreign network indicator to said home radio communication network (11); whereby said home radio communication network (11) may store a database comprising a mapping between a multi-mode mobile terminal identity, a home network indicator and a foreign network indicator, to facilitate interworking of saidType: GrantFiled: January 20, 2006Date of Patent: September 29, 2009Assignee: King's College LondonInventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, Oliver Damian Holland
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Patent number: 7594010Abstract: A method of transmitting data across an electronic data communication system comprising a plurality of terminals that can send and receive data in the form of electromagnetic waves to and from at least one of the terminals, which method comprises the steps of: (a) identifying at least one control terminal, at least one target terminal and at least two relaying terminals from the plurality of terminals; and (b) using the control terminal to instruct the at least two relaying terminals to receive and relay data intended for the at least one target terminal, so that the at least one target terminal can receive data directly from at least one terminal and from the at least two relaying terminals, thereby increasing capacity of the system.Type: GrantFiled: June 28, 2002Date of Patent: September 22, 2009Assignee: King's London CollegeInventors: Mischa Dohler, Abdol Hamid Aghvami, Fatin Said, Seyed Ali Ghorashi
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Publication number: 20090052423Abstract: For a mobile node visiting a packet-switched wireless access network, said access network using a tunnelling-type micro-mobility protocol and a Quality of Service (QoS) routing protocol to route packet data to and from said mobile node, and comprising an access router to which said mobile node may attach, a mobility agent and a gateway, a method of configuring said access network to route packet data toward said mobile node which method comprises the steps of: (a) receiving in said access network a handover indication of said mobile node or a login request therefrom; (b) in response to said handover indication or login request computing a QoS route for said mobile node, which QoS route is useable to route packets between said mobility agent and said mobile node; (c) performing step (b) at a location in said access network remote from said mobility agent; and (d) transmitting said QoS route and said handover indication or login request from said remote location toward said mobility agent; whereby upon receiptType: ApplicationFiled: August 22, 2008Publication date: February 26, 2009Inventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, Nima Nafisi
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Publication number: 20080304458Abstract: In a heterogeneous network environment comprising a plurality of first wireless networks and a second wireless network, said plurality of first wireless network utilizing a first wireless communication protocol and said second wireless network utilizing a second wireless communication protocol different to said first, a method of gathering data from said plurality of first wireless networks, which method comprises the steps of: electronically extracting a network identifier from at least one of said first wireless networks; transmitting said network identifier to a remote server; and said remote server compiling a database of network identifiers received from said plurality of first wireless networks, storing of said database facilitating inter-working between one or more of said plurality of first wireless networks and said second wireless network.Type: ApplicationFiled: May 21, 2008Publication date: December 11, 2008Inventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, Konstantinos Oikonomopoulos
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Publication number: 20080181188Abstract: A method of providing mobility between network subnets for a plurality of mobile network nodes attached to a mobile router, which mobile router hides any change in network subnet from said plurality of mobile network nodes and which network subnets provide access for said mobile router to a fixed network infrastructure, which method comprises the steps of (a) providing a signaling channel for each of said plurality of mobile network nodes; and (b) providing a data channel for each of said plurality of mobile network nodes; characterized in that said signalling channel utilises a multicast communication protocol to perform a mobility function on behalf of one or more of said plurality of mobile network nodes.Type: ApplicationFiled: January 24, 2008Publication date: July 31, 2008Inventors: Abdol Hamid Aghvami, Paul Anthony Pangalos, Kinan Altali Alhames
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Patent number: 7031720Abstract: In mobile communication and radio systems there is a pre-emptive bandwidth allocation by dynamic partitioning the total spectrum available to allow mobile user groups with high priority services to access greater amounts of bandwidth than mobile user groups with lower priority services when the network is overloaded.Type: GrantFiled: January 25, 2001Date of Patent: April 18, 2006Assignee: Kings College LondonInventors: Don Dilshan Weerakoon, Abdol Hamid Aghvami