Patents Assigned to Alcatel-Lucent USA Inc.
  • Publication number: 20180331760
    Abstract: An apparatus includes a polarization beam splitter (PBS) and an optical detector. The PBS is configured to receive a polarized optical signal transported via an optical communication path of an optical network. The detector is configured to receive from the PBS a first polarization component of the optical signal, and to produce a first electrical measure of the first polarization component. A processor is configured to determine a dynamic metric of the optical communication path based at least on the first electrical measure. Some embodiments also include a second detector configured to receive from the PBS a second polarization component of the optical signal. The second detector produces a second electrical measure of the second polarization component, and the processor is configured to determine the dynamic metric based on both the first and second electrical measures.
    Type: Application
    Filed: July 3, 2018
    Publication date: November 15, 2018
    Applicant: Alcatel-Lucent USA Inc.
    Inventors: Peter J. Winzer, John Edward Simsarian
  • Publication number: 20180331830
    Abstract: Key identification techniques for determination of appropriate keys for processing messages in communication systems are provided. In one or more methods, an indicator is assigned to each key pair provisioned in a communication system. The indicator is then sent to one or more network elements or functions in the communication system with a message encrypted with a first part of the key pair corresponding to the indicator. A network element or function receiving the encrypted message determines, based on the indicator, a corresponding second part of the key pair to use to process the encrypted message.
    Type: Application
    Filed: October 6, 2017
    Publication date: November 15, 2018
    Applicants: Alcatel-Lucent USA Inc., Nokia Technologies Oy
    Inventors: Anja Jerichow, Annett Seefeldt, Suresh P. Nair
  • Publication number: 20180324583
    Abstract: Techniques are provided for protecting the privacy of user equipment during identity request operations in a communication system. In one example, a method includes receiving a current identity request at given user equipment of a communication system. The method further includes making a determination at the given user equipment whether or not to respond to the current identity request in a manner requested based on a count of previous identity requests received by the given user equipment.
    Type: Application
    Filed: May 5, 2017
    Publication date: November 8, 2018
    Applicants: Alcatel-Lucent USA Inc., Nokia Technologies Oy
    Inventors: Suresh P. Nair, Anja Jerichow
  • Publication number: 20180323989
    Abstract: A client device is configured to: receive a list of multicast channels from a multicast controller, the list of multicast channels identifying multicast channels to be multicast to a plurality of clients in the access network; receive an updated list of multicast channels from the multicast controller; identify differences between the list of multicast channels and the updated list of multicast channels; and inform the termination node of differences between the list of multicast channels and the updated list of multicast channels.
    Type: Application
    Filed: May 8, 2017
    Publication date: November 8, 2018
    Applicant: Alcatel-Lucent USA Inc.
    Inventors: Shahid AKHTAR, Randall B. SHARPE
  • Publication number: 20180324585
    Abstract: Techniques for providing privacy features in communication systems are provided. For example, a message may be provided from user equipment to an element or function in a communication network that comprises one or more privacy indicators, where privacy features for processing the message are determined based on the privacy indicators. The message may comprise an attach request comprising a subscription identifier for a subscriber associated with the user equipment, with the privacy indicators comprising a flag indicating whether the subscription identifier in the attach request is privacy-protected. As another example, the element of function in the communication network may determine privacy features supported by the communication network and generate and send a message to user equipment comprising one or more privacy indicators selected based on the determined privacy features.
    Type: Application
    Filed: October 26, 2017
    Publication date: November 8, 2018
    Applicants: Alcatel-Lucent USA Inc., Nokia Technologies Oy
    Inventors: Suresh P. Nair, Anja Jerichow, Annett Seefeldt
  • Publication number: 20180324231
    Abstract: A network element comprises a memory storing a data structure arrangement. The data structure arrangement includes: an ordered list of asset blocks having a head end and a tail end, each of the asset blocks indicating a number of clients in an access network currently streaming video content of a corresponding channel, the asset blocks being ordered according to the number of clients currently streaming the video content for each channel; and a border structure block storing a pointer to a border asset block within the ordered list of asset blocks, the pointer to the border asset block defining an active set of multicast channels for the access network, and causing the multicast controller to direct a termination node to provide the active set of multicast channels to the clients in the access network.
    Type: Application
    Filed: May 8, 2017
    Publication date: November 8, 2018
    Applicant: Alcatel-Lucent USA Inc.
    Inventor: Shahid AKHTAR
  • Publication number: 20180316620
    Abstract: This disclosure generally discloses a service function virtualization capability configured to support virtualization of a service within a distributed cloud network. Various embodiments of the service function virtualization capability provide a set of fast approximation algorithms configured to solve the cloud service distribution problem in order to determine the placement of service functions of a service within a cloud network, the routing of service flows through the appropriate service functions of the service within the cloud network, and the associated allocation of cloud and network resources that satisfy client demands with reduced or even minimum overall cloud network cost in the distributed cloud network.
    Type: Application
    Filed: April 28, 2017
    Publication date: November 1, 2018
    Applicant: Alcatel-Lucent USA Inc.
    Inventors: Jaime Llorca, Antonia Tulino
  • Patent number: 10117076
    Abstract: Systems, methods, and software that distribute accounting requests to a plurality of Charging Data Functions (CDFs). One embodiment comprises a distributor unit that connects to the CDFs, which register their queues with the distributor unit. When receiving an accounting request (e.g., interim or stop) for a session, the distributor unit extracts an identifier from the accounting request indicating a destination queue previously selected for the session. When the destination queue is not accepting new sessions or ongoing sessions, the distributor unit identifies a prioritized list for the session, identifies a position of the destination queue in the prioritized list, searches the prioritized list for an alternate queue having a lower priority than the destination queue, and having a status indicating that the alternate queue is accepting new sessions. The distributor unit then selects the alternate queue as an alternate destination queue for the session.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: October 30, 2018
    Assignee: Alcatel-Lucent USA Inc.
    Inventor: Ranjan Sharma
  • Publication number: 20180309575
    Abstract: In response to a radio link failure between given user equipment and a source access node of a communication system during a data transfer operation over a control plane, a method is provided for recovering the radio link for the given user equipment through a target access node of the communication system. The radio link recovery is enabled via a mobility management node of the communication system using a non-access stratum security context previously established between the given user equipment and the mobility management node.
    Type: Application
    Filed: September 11, 2017
    Publication date: October 25, 2018
    Applicant: Alcatel-Lucent USA Inc.
    Inventor: Suresh P. Nair
  • Publication number: 20180294993
    Abstract: This disclosure generally discloses a tunnel-level fragmentation and reassembly capability configured to support tunnel-level fragmentation and reassembly of a packet being transported via a tunnel between a tunnel source node and a tunnel destination node. The tunnel-level fragmentation and reassembly capability may be configured to support tunnel-level fragmentation and reassembly of packets in a manner tending to prevent reassembly errors, that could cause malformed packets or packet drops at the tunnel destination nodes, due to multiple parallel tunnel contexts of the tunnel which may correspond to multiple parallel entry points into the tunnel at the tunnel source node. The tunnel-level fragmentation and reassembly capability may be configured to support tunnel-level fragmentation and reassembly of packets within various types of communication networks, for various types of tunnels, or the like.
    Type: Application
    Filed: April 5, 2017
    Publication date: October 11, 2018
    Applicants: Alcatel-Lucent Canada Inc., Alcatel-Lucent USA Inc.
    Inventors: Andre Poulin, Michel Rochon, Alp Dibirdi
  • Publication number: 20180292607
    Abstract: A modular optical device having a set of optoelectronic modules that enables the device to operate, e.g., as a WDM or multichannel transceiver. In an example embodiment, the set of optoelectronic modules includes a laser module, a modulator module, and an optical-to-electrical converter module, all mounted on the same circuit board and optically and electrically connected for the intended application. Each of the optoelectronic modules comprises a respective stack of integrated circuits, at least one of which is a photonic integrated circuit (PIC). Some of the PICs may be configurable for different applications, with the configuration setup being carried out using electrical control signals and/or optical connections of the PICs.
    Type: Application
    Filed: April 10, 2017
    Publication date: October 11, 2018
    Applicants: Alcatel-Lucent USA Inc., Alcatel-Lucent Bell Labs France
    Inventors: Po Dong, Gabriel Charlet
  • Publication number: 20180294913
    Abstract: An optical WDM system configured to use direct detection of communication signals that is compatible with electronic CD compensation on a per-channel basis. In an example embodiment, to enable full (e.g., amplitude and phase) electric-field reconstruction at the receiver, the optical WDM system uses a carrier-frequency plan according to which the carrier-frequency comb used at one end of the WDM link and the carrier-frequency comb used at the other end of the WDM link are offset with respect to one another by one half of the bandwidth of an individual WDM component transmitted therethrough. This frequency offset places each local carrier frequency at a roll-off edge of the corresponding incoming data-modulated signal. As a result, the corresponding combined optical signal beneficially lends itself to direct detection that can be followed by full electric-field reconstruction using a known self-coherent Kramers-Kronig method and then by conventional electronic CD compensation.
    Type: Application
    Filed: April 28, 2017
    Publication date: October 11, 2018
    Applicant: Alcatel-Lucent USA Inc.
    Inventors: Xi Chen, Chandrasekhar Sethumadhavan, Peter J. Winzer
  • Patent number: 10096971
    Abstract: Various exemplary embodiments relate to an apparatus including: a first substrate including a planar dielectric layer on a semiconducting layer, and a silicon layer located directly on a planar surface of the dielectric layer, adjacent first and second segments of the silicon layer being optically end-coupled, the first segment being thicker than the second segment; and a second substrate including a III-V semiconductor layer segment on a top surface thereof, the first and second substrates being bonded together such that the III-V semiconductor layer segment is in direct contact with a portion of the first segment of the silicon layer.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: October 9, 2018
    Assignee: Alcatel-Lucent USA Inc.
    Inventors: Po Dong, Young-Kai Chen
  • Publication number: 20180287884
    Abstract: The present disclosure generally discloses a cross-layer link discovery capability configured to support discovery of cross-layer links of a communication network. The cross-layer link discovery capability may be configured to support discovery of cross-layer links between packet network elements and optical network elements of a communication network. The cross-layer link discovery capability may be configured to support automated and reliable discovery of cross-layer links between ports of packet network elements and ports of optical network elements of a communication network. The cross-layer link discovery capability may be configured to support discovery of cross-layer links between ports of packet network elements and ports of optical network elements based on various port matching techniques, such as port classification, port isolation based on port identification, port isolation based on port probing (e.g.
    Type: Application
    Filed: March 30, 2017
    Publication date: October 4, 2018
    Applicant: Alcatel-Lucent USA Inc.
    Inventors: Gary W. Atkinson, Young J. Kim
  • Publication number: 20180287712
    Abstract: A WDM receiver configured to apply electronic equalization processing to both dispersion-compensated and dispersion-distorted versions of the received communication signal. In an example embodiment, the receiver's DSP first generates an equalized dispersion-compensated signal corresponding to the communication signal. The DSP then performs electronic dispersion-application processing on the equalized dispersion-compensated signal to generate a dispersion-distorted version thereof. The DSP then applies decision-aided electronic equalization processing to the dispersion-distorted version of the signal, subjects the resulting equalized signal to another round of dispersion-compensation processing, and recovers the data encoded in the communication signal using the resulting dispersion-compensated signal.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 4, 2018
    Applicant: Alcatel-Lucent USA Inc.
    Inventor: Ronen Dar
  • Publication number: 20180284347
    Abstract: A photonic integrated circuit (PIC) having two tapered planar waveguide cores that are separated from one another by a relatively narrow gap, with each of these waveguide cores having a respective portion thereof located on a tapered planar slab core. The relative positions of the slab core and the two waveguide cores are such that the light crossing between the two waveguide cores undergoes a polarization rotation between the TM and TE polarizations with a relatively low insertion loss. The corresponding waveguide structure can be used as a relative polarization-rotating splitter for light propagating in one direction or as a relative polarization-rotating combiner for light propagating in the opposite direction. At least some embodiments of the disclosed PIC can advantageously be fabricated using a complementary metal oxide semiconductor technology and/or a conventional silicon-on-insulator platform.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 4, 2018
    Applicant: Alcatel-Lucent USA Inc.
    Inventor: Po Dong
  • Publication number: 20180286371
    Abstract: An article comprises an elastic membrane having a mass element provided thereon the mass element having an asymmetric shape and a resonator structure having a resonance frequency. The elastic membrane is configured to oscillate in response to a sound wave incident thereon, and the asymmetry of the mass element is configured to induce a flapping motion which in combination with the oscillation of the membrane trap vibrational mechanical energy from the sound wave and the resonator structure is configured to absorb at least a part of the incident sound wave. A composite material comprising the article is also disclosed.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 4, 2018
    Applicants: Alcatel-Lucent USA Inc., Alcatel Lucent
    Inventors: Ian Davis, Todd Salamon
  • Publication number: 20180288795
    Abstract: A system, apparatus, method, and non-transitory computer readable medium for providing transfer block indications in uplink (UL) grant-free transmissions may include a memory having computer readable instructions stored thereon, and at least one processor configured to execute the computer readable instructions to transmit a first transport block (TB) to a base station (BS) during a first transmission time interval (TTI) using a grant-free UL transmission, receive a UL grant from the BS in a physical downlink control channel (PDCCH) region during a time window, determine a target of the UL grant, the target including at least one of the first TB, a second TB, or a previously transmitted TB, based on the UL grant, and transmitting the target of the UL grant to the BS.
    Type: Application
    Filed: September 26, 2017
    Publication date: October 4, 2018
    Applicants: Alcatel-Lucent USA Inc., Nokia Technologies OY
    Inventors: Yuan Tao ZHANG, Emad N. FARAG, Sigen YE, Zexian LI, Joseph H. KANG, Karri RANTA-AHO
  • Publication number: 20180270786
    Abstract: Techniques are provided for protecting the privacy of user equipment during paging operations in a communication system. In one example, a method includes determining at a mobility management element of a communication system that a paging operation is to be initiated for given user equipment. The method further includes restricting the paging operation between the mobility management element and the given user equipment to use of a temporary identifier for the given user equipment. By not using a permanent identifier of the given user equipment during paging operations, the given user equipment is effectively non-trackable by malicious base stations and active/passive listeners.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 20, 2018
    Applicants: Alcatel-Lucent USA Inc., Nokia Technologies Oy
    Inventors: Suresh P. Nair, Anja Jerichow
  • Patent number: 10069803
    Abstract: The present invention provides a method of route optimization involving a first mobile device associated with a first home gateway. One embodiment of the method is implemented in a first mobility forwarding entity and includes registering the first mobile device at the first mobility forwarding entity. The first mobile device is registered using a session key included in a registration message transmitted by the first mobile device. The embodiment also includes establishing a secure route between the first mobility forwarding entity and a terminating node using the session key. The secure route bypasses the first home gateway.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: September 4, 2018
    Assignee: Alcatel-Lucent USA, INC.
    Inventors: Ganapathy Sundaram, Violeta Cakulev