Patents by Inventor Nicolas Drevon

Nicolas Drevon 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).

  • Patent number: 9282527
    Abstract: Embodiments of the present invention include a method for support of mobile-terminated service delivery over a multi-Radio Access Technology RAT and/or multi-domain mobile network wherein an User Equipment UE can be registered with multiple serving Core Network CN nodes, said method using information, referred to as termination selection information, including indication of a preferred serving CN node and/or preferred domain for mobile-terminated service delivery attempt towards said UE, said preferred serving CN node and/or said preferred domain determined as the serving CN node and/or domain most probably currently able to reach the UE, based on information referred to as termination selection support information retrieved from said multiple serving CN nodes, said method using, for said determination of the serving CN node and/or domain most probably currently able to reach the UE, termination selection support information including information on UE probability of camping per RAT.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: March 8, 2016
    Assignee: Alcatel Lucent
    Inventors: Nicolas Drevon, Laurent Thiebaut
  • Patent number: 9204491
    Abstract: One aspect of the present invention is a method of managing quality of service in a mobile radio network in which protocols for communication over terrestrial interfaces comprise a radio network layer and a transport network layer and wherein quality of service management includes quality of service management linked to the radio network layer and quality of service management linked to the transport network layer, said method comprising: a step in which a first network element signals to a second network element by means of the radio network layer signaling protocol at least one parameter representative of transport quality of service or of quality of service for the transport network layer, and a step in which the second network element uses said at least one parameter for transport quality of service management.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: December 1, 2015
    Assignee: Alcatel Lucent
    Inventors: Nicolas Drevon, Anne Gabriel, Pascal Treillard
  • Publication number: 20150296420
    Abstract: An embodiment of the present invention is a method for the support of Circuit Switched CS fallback in an Evolved Packet System EPS, said support including moving an User Equipment UE from an evolved Radio Access Network RAN to a legacy RAN for access to CS domain services, and moving back said UE from said legacy RAN to said evolved RAN at the end of said CS domain services, said support including moving back said UE to said evolved RAN in a PLMN that was serving said UE over said evolved RAN before moving said UE to said legacy RAN.
    Type: Application
    Filed: October 3, 2013
    Publication date: October 15, 2015
    Applicant: Alcatel Lucent
    Inventors: Nicolas Drevon, Laurent Thiebaut, Bruno Landais
  • Publication number: 20150230166
    Abstract: In an embodiment, a method is provided for the support of nomadic or fixed users in a mobile network, said mobile network comprising a Core Network CN accessed by a Radio Access Network RAN, said mobile network providing connectivity referred to as PDN connectivity between an User Equipment UE and at least one external network referred to as Packet Data Network PDN, via a selected one of mobile network nodes associated with said PDN and referred to as PDN Gateway PDN GW, said method including support of a nomadic or fixed user in a mode of operation referred to as non-mobile mode of operation wherein said selected PDN GW referred to as local PDN GW is co-located with a RAN node serving said UE, based on knowledge of the user's mobility pattern.
    Type: Application
    Filed: September 18, 2013
    Publication date: August 13, 2015
    Applicant: ALCATEL LUCENT
    Inventors: Alessio Casati, Nicolas Drevon, Sudeep Palat
  • Patent number: 8934356
    Abstract: A method, user equipment and a network entity are disclosed. The method comprises the steps of: determining which of a plurality of packet bearers carry voice media components for handover between a packet-switched network and a circuit-switched network to ensure voice call continuity; and notifying an entity that will said enforce voice call continuity for which of said plurality of packet bearers carry said voice media components.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: January 13, 2015
    Assignee: Alcatel Lucent
    Inventors: Alessio Casati, Nicolas Drevon, Laurent Thiebaut, Andrew Bennett
  • Publication number: 20150011210
    Abstract: Embodiments of the present invention include a method for support of mobile-terminated service delivery over a multi-Radio Access Technology RAT and/or multi-domain mobile network wherein an User Equipment UE can be registered with multiple serving Core Network CN nodes, said method using information, referred to as termination selection information, including indication of a preferred serving CN node and/or preferred domain for mobile-terminated service delivery attempt towards said UE, said preferred serving CN node and/or said preferred domain determined as the serving CN node and/or domain most probably currently able to reach the UE, based on information referred to as termination selection support information retrieved from said multiple serving CN nodes, said method using, for said determination of the serving CN node and/or domain most probably currently able to reach the UE, termination selection support information including information on UE probability of camping per RAT.
    Type: Application
    Filed: January 25, 2013
    Publication date: January 8, 2015
    Applicant: ALCATEL LUCENT
    Inventors: Nicolas Drevon, Laurent Thiebaut
  • Publication number: 20140256315
    Abstract: In one of its aspects, the present invention provides a method of improving the management of mobility in a cellular mobile communications system in which cells are grouped together in location structures comprising cells that support different radio access technologies, said method comprising steps in which: a mobile terminal (MT) in a given cell sends (1) to a network entity (CN) a request to register in a location structure including said cell; and on receiving said request, said network entity (CN) transmits (2) to the mobile terminal (MT) a reply including at least one radio access technology (RAT) indication relating to at least one radio access technology that is authorized and/or to at least one radio access technology that is not authorized for said mobile terminal, at least in said location structure.
    Type: Application
    Filed: May 22, 2014
    Publication date: September 11, 2014
    Applicant: Alcatel Lucent
    Inventors: Nicolas Drevon, Serge Baudet
  • Patent number: 8750829
    Abstract: One object of the present invention is a method for interfacing a Femto-Cell equipment with a Mobile Core Network, said method comprising: authenticating and registering said Femto-Cell equipment to a Generic Access Network Controller via a standard Up interface, the authenticating and registering further including the establishment of a secure tunnel between the said Femto-Cell equipment and a Security Gateway of said Generic Access Network Controller; connecting at least one Mobile Network entity of said Femto-Cell equipment to at least one Mobile Core Network node with at least one standard Mobile Network interface, via a Femto Core Network Gateway entity, said at least one standard Mobile Network interface being encapsulated in a secure tunnel established between said Femto-Cell equipment and said Security Gateway of said Generic Access Network Controller, and being relayed by said Femto Core Network Gateway entity to said Mobile Core Network node.
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: June 10, 2014
    Assignee: Alcatel Lucent
    Inventors: Nicolas Drevon, Didier Feron, Jean-Pierre Monchanin
  • Publication number: 20130183968
    Abstract: A method for Mobility Management MM in a system architecture supporting mobility between different access systems having separate Core Network CN-level MM entities while using common MM Area, the method comprising a step of: when a User Equipment UE leaves the coverage of a first one of the access systems where it is in a Non Radio Connected state as seen from Radio Access Network RAN, but seen in Connected State from CN-level MM entity, for the coverage of a second one of the access systems where it is in Idle state as seen from CN-level MM entity, putting the UE into Idle state as seen from CN-level MM entity of said first access system.
    Type: Application
    Filed: November 13, 2012
    Publication date: July 18, 2013
    Inventors: Laurent THIEBAUT, Alain BULTINCK, Nicolas DREVON
  • Patent number: 8488582
    Abstract: The present invention involves a method for IP header compression for Real-Time Transport Protocol (RTP) packets that includes header compression for the outer IP layer that carries IPsec ESP tunnel traffic. The preferred embodiment of the invention involves a method of producing minimal VoIP packet size in a GAN user plane by defining an ESP/UDP/IP profile for ROHC; using the ESP/UDP/IP profile to compress the outer layers carrying IPsec ESP tunnel traffic in the GAN user plane; and using a ROHC RTP/UDP/IP profile between IPsec ESP tunnel endpoints for additional compression.
    Type: Grant
    Filed: June 12, 2008
    Date of Patent: July 16, 2013
    Assignee: Alcatel Lucent
    Inventors: John Whited, Vilat Keomoungkhoun, Nicolas Drevon
  • Patent number: 8396476
    Abstract: A method for Mobility Management MM in a system architecture supporting mobility between different access systems having separate Core Network CN-level MM entities while using common MM Area is provided. When a User Equipment UE leaves the coverage of a first access system where it is in a Non Radio Connected state as seen from Radio Access Network RAN, but seen in Connected State from CN-level MM entity, for the coverage of a second access system where it is in Idle state as seen from CN-level MM entity, the UE is put into Idle state as seen from CN-level MM entity of said first access system.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: March 12, 2013
    Assignee: Alcatel Lucent
    Inventors: Laurent Thiebaut, Alain Bultinck, Nicolas Drevon
  • Publication number: 20120172042
    Abstract: In an embodiment, there is provided a method for the reduction of flow break in Single Radio Voice Call Continuity SRVCC mobility for a User Equipment UE, SRVCC mobility including Hand-Over HO execution procedure and Voice Call Continuity VCC procedure, said method comprising a step of: delaying HO execution at the UE, to coordinate HO execution procedure and VCC procedure.
    Type: Application
    Filed: March 30, 2010
    Publication date: July 5, 2012
    Inventors: Nicolas Drevon, Laurent Thiebaut, Andrew Bennett
  • Publication number: 20120127926
    Abstract: In an embodiment, there is provided a method for session transfer between Access Networks for a User Equipment UE, said method including insertion in a signaling path of a Service Continuity Application Server anchoring said session in IMS, said method including: insertion of a Service Continuity Application Server V-SCC-AS located in a Visited PLMN V-PLMN for a UE roaming in said V-PLMN.
    Type: Application
    Filed: May 25, 2010
    Publication date: May 24, 2012
    Inventors: Nicolas Drevon, Laurent Thiebaut
  • Publication number: 20120023178
    Abstract: A method of transmitting a message to user equipment within a telecommunications network, a controller operable to transmit a message to user equipment within a telecommunications network, a base station and a computer program product are disclosed. The method comprises the steps of: receiving a message having message content to be transmitted to user equipment within a predefined geographical area of the telecommunications network; identifying at least one multicast IP address designated as being associated with base stations providing telecommunications coverage with user equipment within the predefined geographical area; and transmitting the message content within at least one multicast message, each multicast message using a corresponding one of the at least one multicast IP address, over an IP network to base stations providing telecommunications coverage within the predetermined geographical area for onward transmission to user equipment.
    Type: Application
    Filed: December 31, 2009
    Publication date: January 26, 2012
    Inventors: Nicolas Drevon, Alessio Casati
  • Patent number: 8094627
    Abstract: One object of the present invention is a method for the support of high bit rate services in a mobile communication system, said method comprising a step wherein a network entity signals to a Mobile Station, according to signalling procedures used in case of access via a broadband Access Network, at least one bit rate higher than the maximum bit rate specified in case of access via a non broadband Access Network, based on bit rates as defined according to signalling procedures used in case of access via said non broadband Access Network.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: January 10, 2012
    Assignee: Alcatel Lucent
    Inventors: Nicolas Drevon, Laurent Thiebaut
  • Publication number: 20110280217
    Abstract: In an embodiment, there is provided an architecture for the support of CS domain services over a Packet only mobile system such as the Evolved Packet System access, in a mobile communication system comprising an Evolved Packet System (EPS) and a CS domain in turn comprising at last one Mobile Switching Center MSC, said architecture comprising at least one Interworking Function IWF, such that IWF is perceived as a Radio Network Controller RNC or a Base Station Controller BTS by a MSC, and as an Application Server by the EPS.
    Type: Application
    Filed: November 9, 2009
    Publication date: November 17, 2011
    Inventors: Nicolas Drevon, Laurent Thiebaut, Alistair Urie
  • Publication number: 20110165898
    Abstract: In one aspect, there is provided a method for the management of Short Message SM delivery in a mobile communication system comprising an Overlaying, e.g. IP-based or CS fallback in Evolved Packet System based, SM delivery network accessed via a mobile or fixed Access Network AN which is transparent to the Overlaying SM Delivery procedure, said method comprising, in an embodiment: informing an AN entity capable of detecting User Equipment UE activity over said AN, of unsuccessful SM delivery attempt due to not reachable UE, upon detection of UE activity over said AN for said UE, said AN entity informing an entity in charge of requesting new SM delivery attempt when said UE is again reachable.
    Type: Application
    Filed: June 16, 2009
    Publication date: July 7, 2011
    Inventors: Nicolas Drevon, Laurent Thiebaut, Alessio Casati
  • Publication number: 20110158121
    Abstract: A method, user equipment and a network entity are disclosed. The method comprises the steps of: determining which of a plurality of packet bearers carry voice media components for handover between a packet-switched network and a circuit-switched network to ensure voice call continuity; and notifying an entity that will said enforce voice call continuity for which of said plurality of packet bearers carry said voice media components.
    Type: Application
    Filed: June 10, 2009
    Publication date: June 30, 2011
    Inventors: Alessio Casati, Nicolas Drevon, Laurent Thiebaut, Andrew Bennett
  • Publication number: 20090310622
    Abstract: The present invention involves a method for IP header compression for Real-Time Transport Protocol (RTP) packets that includes header compression for the outer IP layer that carries IPsec ESP tunnel traffic. The preferred embodiment of the invention involves a method of producing minimal VoIP packet size in a GAN user plane by defining an ESP/UDP/IP profile for ROHC; using the ESP/UDP/IP profile to compress the outer layers carrying IPsec ESP tunnel traffic in the GAN user plane; and using a ROHC RTP/UDP/IP profile between IPsec ESP tunnel endpoints for additional compression.
    Type: Application
    Filed: June 12, 2008
    Publication date: December 17, 2009
    Inventors: John Whited, Vilat Keomoungkhoun, Nicolas Drevon
  • Publication number: 20090245123
    Abstract: A method for simultaneous access to circuit services and packet services in a cellular mobile radio system comprising second generation cells and third generation cells, in which method, if a packet or a circuit connection is required by a terminal already having a circuit or a packet connection set up in a second generation cell, the method determines whether a change of cell to a third generation cell is possible and, if so, effects said change of cell in order to allow said circuit and packet connections simultaneously in a third generation cell.
    Type: Application
    Filed: January 12, 2009
    Publication date: October 1, 2009
    Inventors: Patrick BLANC, Stanislas BOURDEAUT, Nicolas DREVON