Patents Issued in November 27, 2014
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Publication number: 20140348128Abstract: A base station device establishes a first communication path for each mobile terminal with a control device that processes a signal related to network control or a signal related to user data. When an occurrence of handover of the mobile terminal is detected, the base station device establishes a second communication path with the base station device to be a handover destination. The base station device associates the first communication path with the second communication path. The base station device performs relay control of communication between the handed over mobile terminal and the control device based on a relationship between the first communication path and the second communication path that are associated.Type: ApplicationFiled: April 23, 2014Publication date: November 27, 2014Applicant: FUJITSU LIMITEDInventor: Mitsuhiro TANI
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Publication number: 20140348129Abstract: A method in a communication system includes a first core network node (CN), a second CN, a base station apparatus serving a user equipment (UE), and a packet data network gateway (PGW) associated with the UE, the method being performed by the first CN. The method includes the first CN receiving a tunneling endpoint identifier (TEID) information element from a second CN, the TEID information element comprises a plurality of fields. The one of the plurality of fields includes a Public Land Mobile Network (PLMN).Type: ApplicationFiled: May 21, 2014Publication date: November 27, 2014Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)Inventors: Yong YANG, Angelo CENTONZA, Hans MATTSSON, Paul SCHLIWA-BERTLING
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Publication number: 20140348130Abstract: An embodiment method for session handling for a connection between an UE and a network includes establishing, at a first distributed EPC, user and IP sessions over the connection through the first distributed EPC. The first distributed EPC includes a first PGW at which the IP session is anchored. The method also includes holding original IP resources and releasing original connection resources for the sessions at the first distributed EPC when the UE moves beyond the first distributed EPC to a second distributed EPC. The method then establishes a tunnel between the first PGW and a second PGW for the second distributed EPC. The tunnel utilizes the original IP resources and new connection resources at the second distributed EPC. The method then routes data from the tunnel, through the first PGW, and to the network.Type: ApplicationFiled: May 21, 2014Publication date: November 27, 2014Inventors: John Kaippallimalil, Hinghung Anthony Chan, Zhixian Xiang, Khosrow Tony Saboorian, Serge Manning
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Publication number: 20140348131Abstract: Embodiments of the present invention provide a handover method performed by a source access network device, which includes: sending, a handover request or a WLAN offload request to a UE, so that the UE determines information about a target AP according to AP information corresponding to a target RAN and information about a currently accessed AP, and sends a WLAN offload binding request carrying the information about the target AP to a target access network device in the target RAN, so as to complete a RAN handover, where the handover request or the WLAN offload request includes the AP information corresponding to the target RAN, and the AP information corresponding to the target RAN is information about an AP in a WLAN that covers, together with the target RAN, a location of the UE; and receiving a handover response or a WLAN offload response returned by the UE.Type: ApplicationFiled: July 15, 2014Publication date: November 27, 2014Inventors: Xiaoyan DUAN, Hui JIN, Chenliang GAO, Qiang YI
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Publication number: 20140348132Abstract: A method of providing Local IP Access (LIPA) indication is proposed. In one novel aspect, an enhanced cell selection method is proposed using LIPA capability information. Based on LIPA capability related information, a UE is able to prioritize LIPA-capable cells and establish a corresponding packet data network (PDN) connection accordingly. In one embodiment, LIPA information is informed to the UE via Non Access Stratum (NAS) signaling. The UE stores LIPA capability information when receiving a NAS message from a mobility management entity (MME). Later on, when the UE performs cell selection or reselection in idle mode, the UE can use the stored LIPA capability information to prioritize LIPA-capable cells.Type: ApplicationFiled: August 11, 2014Publication date: November 27, 2014Inventors: Yih-Shen Chen, Chao-Chin Chou, Chia-Chun Hsu
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Publication number: 20140348133Abstract: A method for handover in a telecommunication system is disclosed. The method determines a traffic time pattern in a handover situation where a user equipment is handed over from a source cell to a target cell in the telecommunication system. History information relating to a traffic time pattern used in the source cell by the user equipment being handed over is forwarded from a controller node of said source cell to a controller node of said target cell. In the target cell, a traffic time pattern to be used by said user equipment in said target cell after the handover is estimated by taking into consideration at least said history information.Type: ApplicationFiled: August 11, 2014Publication date: November 27, 2014Inventors: Yusun FU, Johan JOHANSSON
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Publication number: 20140348134Abstract: A system and method for transitioning connectivity of a mobile node between mobility access gateways on a communication system using inter-MAG tunneling protocols for a fast handoff. The protocols can use pre-configured or dynamic protocols on the IP-Layer or another layer on the protocol stack. For bi-directional tunneling, the mobility session context information for the mobile node is transferred to the next MAG in advance of the fast handoff. For uni-directional tunnel, a uni-directional tunneling mechanism simplifies the logic of tunnel negotiation and setup during the fast handoff with the creation of a temporary forwarding state where all up-link traffic can be sent from the mobile node to the home network through the nMAG, but the down-link traffic from the home network is sent to the pMAG for forwarding to the nMAG and then the mobile node.Type: ApplicationFiled: August 12, 2014Publication date: November 27, 2014Inventors: Ahmad MUHANNA, Eric PARSONS, Marvin BIENN
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Publication number: 20140348135Abstract: A subscriber unit for use in a communication system includes a spread spectrum radio interface, responsive to a rate function signal from a base station, and first and second despreaders. The base station assigns the rate function spread-spectrum message channels and the first despreader recovers and modifies an information signal one of the spread spectrum message channels. The information channel mode is then modified for processing by the second despreader, with the second despreader supporting a different information signal rate. The subscriber unit has a capability of communicating with a dynamically changing a transmission rate of an information signal which includes multiple spread spectrum message channels. The system includes a closed loop power control system for maintaining a minimum system transmit power level for a radio carrier station and the subscriber units, and system capacity management for maintaining a maximum number of active subscriber units for improved system performance.Type: ApplicationFiled: May 27, 2014Publication date: November 27, 2014Applicant: InterDigital Technology CorporationInventors: Fatih M. Ozluturk, Gary R. Lomp, John Kowalski, Alexander Jacques
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Publication number: 20140348136Abstract: A method, apparatus, receiver, computer program and storage medium for joint detection are disclosed. The joint detection method includes categorizing interference signals based on level of interference so as to obtain a strong interference signal, cancelling the strong interference signal from a received signal, and performing a joint detection by utilizing a matched filtering result of a remaining signal.Type: ApplicationFiled: September 20, 2011Publication date: November 27, 2014Applicant: ST-ERICSSON SAInventors: Zhixun Tang, Xie Li, Liping Zhang, Daijun Zhang
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Publication number: 20140348137Abstract: Differentiated services are provided through service level agreements (SLAs) between access nodes and some of the clients using a wireless access network. Client devices include internal devices that are compliant with service-related specifications published by the access nodes. Client devices also may include non-compliant external and legacy devices, as well as outside interferers. The access nodes control target SLAs for each client device. The access nodes and the internal client devices perform rate limiting to ensure that a device's target SLA is adhered to. The service-related specifications include schedules to ensure preferential access for preferred internal client devices. The internal client devices send usage and bandwidth availability feedback to the access node they are associated with, enabling the access node to come up with better schedules for meeting the preferred internal devices' SLAs in view of the network conditions reported via the feedback.Type: ApplicationFiled: December 31, 2013Publication date: November 27, 2014Applicant: FIRETIDE, INC.Inventors: Sachin KANODIA, Kota Rathnamaiah Sharath KUMAR, Mohan NATARAJAN, Pramod Jathavedan AKKARACHITTOR
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Publication number: 20140348138Abstract: In a communication system including first and second base stations, an apparatus operates as the first base station. The apparatus determines a first reference timing that is used as a reference timing for transmitting a downlink signal, and adjusts the determined first reference timing to a second reference timing being used in the second base station. The apparatus corrects a deviation of the first reference timing from the second reference timing, which has occurred after adjustment of the first reference timing, in accordance with a receiving timing of a preamble signal transmitted from a mobile station device to the second base station.Type: ApplicationFiled: April 16, 2014Publication date: November 27, 2014Applicant: FUJITSU LIMITEDInventors: Yoshiyuki ONO, Kazuya KOBAYASHI
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Publication number: 20140348139Abstract: A plurality of resource requests and a plurality of estimated link capacities are received at a first device from other devices coupled to a network. Each of the plurality of resource requests is indicative of a requested data rate for a different one of a plurality of communication links. Each of the plurality of estimated link capacities is indicative of an available data rate for the different ones of the plurality of communication links. An allocation of time slots within a first time interval is determined at the first device, based on at least the plurality of resource requests and the plurality of estimated link capacities, according to a branch and bound algorithm. At least some of the other devices of the plurality of devices are caused to communicate via the plurality of communication links according to the determined allocation of time slots.Type: ApplicationFiled: May 20, 2014Publication date: November 27, 2014Inventor: FELICIANO GOMEZ MARTINEZ
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Publication number: 20140348140Abstract: A modular deterministic communication terminal and a method for transmitting user data between the modular deterministic communication terminal and a remote modular deterministic communication terminal are provided. The modular deterministic communication terminal includes at least one logic module including at least one deterministic hardware circuit configured to generate at least one data stream by combining user data of at least two data channels and to separately and independently transmit the at least one data stream via at least one communication link to at least one deterministic hardware circuit provided in the a remote modular deterministic communication terminal.Type: ApplicationFiled: May 23, 2014Publication date: November 27, 2014Applicant: Cahon Systems, Inc.Inventor: Roger F. Atkinson
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Publication number: 20140348141Abstract: Embodiments of the present invention provide a method for transmitting control signaling. A base station determines a modulation mode adopted for one group of resources among multiple groups of resources. Different modulation modes are adopted for at least two groups of resources among the multiple groups of resources. The base station uses the modulation mode adopted for the one group of resources to modulate control signaling sent on the one group of resources. The base station sends the modulated control signaling to a UE on the one group of resources.Type: ApplicationFiled: July 18, 2014Publication date: November 27, 2014Inventors: Mingyu Zhou, Chi Gao, Liang Xia
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Publication number: 20140348142Abstract: The present invention relates to a method for controlling a remote transmitting station in a wireless communication system, including a step of: a first transmission point transmitting to a second transmission point time resource information related to at least one or more remote transmitting stations among a plurality of remote transmitting stations, wherein the plurality of transmitting stations located at cell edges of the first transmission point and cell identifiers of the at least one or more remote transmitting stations are changed according to a time period instructed by the time resource information.Type: ApplicationFiled: December 6, 2012Publication date: November 27, 2014Inventors: Inkwon Seo, Byounghoon Kim, Wonjin Sung, Jaewon Kim, Jaeyong Park, Hyunggil Yoo
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Publication number: 20140348143Abstract: A base station apparatus assigns a plurality of cells to a mobile station apparatus, and the base station apparatus and the mobile station apparatus communicate with each other via the plurality of cells. The plurality of cells are grouped into a plurality of groups, each group being made up of at least one cell having an identical transmission timing in the mobile station apparatus. In a case where a cell that has been deleted from one of the plurality of groups is added to another one of the plurality of groups in accordance with an instruction from the base station apparatus, the mobile station apparatus sets the added cell to be in a deactivated state.Type: ApplicationFiled: December 20, 2012Publication date: November 27, 2014Inventors: Yasuyuki Kato, Katsunari Uemura
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TERMINAL SIGNAL TRANSMISSION TIMING RANDOMISATION METHOD AND DEVICE IN WIRELESS COMMUNICATION SYSTEM
Publication number: 20140348144Abstract: The present disclosure relates to a terminal signal transmission timing randomisation method and device in a wireless communication system, and the terminal signal transmission method in a wireless communication system of the present disclosure comprises the steps of: receiving, from a base station, setting information for randomising transmission timing with respect to a signal transmitted by a terminal; determining the transmission timing for the signal in accordance with the setting information; and transmitting the signal to the base station in accordance with the determined transmission timing.Type: ApplicationFiled: January 11, 2013Publication date: November 27, 2014Inventors: Seung Hoon Choi, Ki Il Kim, Sang Min Ro, Hyo Jin Lee, Ju Ho Lee, Joon Young Cho, Hyoung Ju Ji -
Publication number: 20140348145Abstract: Embodiments of the present disclosure provide a transmitter, a receiver and methods of operating a transmitter or a receiver. In one embodiment, the transmitter is for use with a base station and includes a primary module configured to provide a primary synchronization signal. The transmitter also includes a secondary mapping module configured to provide a secondary synchronization signal derived from two sequences taken from a same set of N sequences and indexed by an index pair (S1, S2) with S1 and S2 ranging from zero to N?1, wherein the index pair (S1, S2) is contained in a mapped set of index pairs corresponding to the same set of N sequences that defines a cell identity group. Additionally, the transmitter further includes a transmit module configured to transmit the primary and secondary synchronization signals.Type: ApplicationFiled: August 13, 2014Publication date: November 27, 2014Inventors: EKO NUGROHO ONGGOSANUSI, ANAND GANESH DABAK
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Publication number: 20140348146Abstract: Methods and apparatus, including computer program products, are provided for dual connectivity. In one aspect there is provided a method. The method may include alternating access, by a user equipment during a transition between a first base station and a second base station, to the first base station and the second base station, wherein the alternating is performed during the transition in accordance with a schedule. Related apparatus, systems, methods, and articles are also described.Type: ApplicationFiled: May 13, 2014Publication date: November 27, 2014Applicant: Nokia CorporationInventors: Esa Mikael Malkamäki, Jari Petteri Lunden, Elena Virtej, Antti Sorri, Martti Johannes Moisio
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Publication number: 20140348147Abstract: A power outlet control device for a wireless network topology has a power input interface unit, a power switch control unit, a wireless network interface unit, a central process unit, a memory unit, and a power output unit. The power input interface unit connects with an outer power source. The power switch control unit distributes and controls the power from the input interface unit. The power output unit further outputs power to an outer system and control the power of the outer system.Type: ApplicationFiled: May 24, 2013Publication date: November 27, 2014Inventor: Li-Chun LAI
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Publication number: 20140348148Abstract: Provided is a method for receiving a frame that is carried out by a station (STA) in a wireless local area network (WLAN) system. The method comprises receiving the frame from an access point (AP). The frame comprises a medium access control (MAC) header. The MAC header comprises a transmitter address (TA) field and a receiver address (RA) field. The RA field comprises identification information that is set on the basis of an association identifier (AID), which is allocated when the STA is associated with the AP.Type: ApplicationFiled: December 10, 2012Publication date: November 27, 2014Applicant: LG ELECTRONICS INC.Inventors: Hyang Sun You, Yong Ho Seok, Jong Hyun Park
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Publication number: 20140348149Abstract: Various methods and systems for combining the capabilities of beam-forming networks together with the benefit of using spatially multiplexed wireless signals.Type: ApplicationFiled: May 27, 2014Publication date: November 27, 2014Inventors: Roy Kinamon, Moshe Salhov, Gal Zuckerman, Oz Liv
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Publication number: 20140348150Abstract: A wireless communication network that forms an ad-hoc network without the arrangement of a controlling station sets a period that a communication apparatus can utilize with priority and performs isochronous communication in the period as required. When isochronous communication has not been performed or after isochronous communication has finished in the priority utilization period, other communication apparatuses perform arbitrary communication. When another communication is performed in a communication apparatus's own priority utilization period, the start of isochronous communication is temporarily delayed. In an ad-hoc communication environment, data having a real-time characteristic, such as AV content, can be efficiently transmitted through the isochronous communication.Type: ApplicationFiled: June 5, 2014Publication date: November 27, 2014Inventors: Shigeru Sugaya, Shin Saito, Kazuyuki Sakoda
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Publication number: 20140348151Abstract: A message distribution center (MDC) and Intelligent Delivery Agent are implemented in a wireless Internet gateway interposed between content providers and a wireless carrier to subjectively examine and direct messages via SMTP based on desired rules (e.g., non-peak hours, paying subscribers only, etc.) using standard SMTP Gateway and other well-known protocols. The MDC includes an individual queue for each subscriber, and the provider is informed through conventional SMTP protocol messages that the short message has been accepted. If the carrier has specifically disallowed service for a particular MIN (e.g., in the case of churning), then the content provider is informed through an SMTP interchange that the recipient is invalid. An MDC provides a single mechanism for interacting with subscribers of multiple carriers, regardless of each carrier's underlying infrastructure.Type: ApplicationFiled: June 25, 2014Publication date: November 27, 2014Inventors: Richard A. Smith, Michael Dewey
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Publication number: 20140348152Abstract: A local service manager (LSM) for discovering and accessing local services via hotspots (HS1, . . . ) of a wireless network, comprises:—means for registering (1) an account created by a service provider (SP), for a new hotspot (HS1) providing a least one service;—means for registering (1) a service profile corresponding to a registered hotspot, which describes all the service the hotspot provides;—means for downloading (3) a user application (UA) to the terminal (T) of a service consumer (SC);—means for receiving (6) a request message from the user application (UA) run in a terminal of a service consumer (SC), this message containing the identifier of a hotspot, and requesting to retrieve the service profile corresponding to this identifier;—means for looking up (6) the requested service profile;—and means for responding (6) to the terminal (T) of service consumer (SC) by sending a message containing the service profile corresponding to this identifier.Type: ApplicationFiled: September 14, 2012Publication date: November 27, 2014Applicant: ALCATEL LUCENTInventor: Geert Vanderhulst
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Publication number: 20140348153Abstract: An apparatus and system for seamless transition between WiFi networks (including in particular WiFi Internet networks) includes within a mobile communication apparatus a mobility layer that is tunneled to a mobility server within a network infrastructure. The mobile communications apparatus includes a wireless network capability, a global positioning system capability, an internal network protocol address and a routing capability. The apparatus and system also provide that the mobility layer is programmed to sequentially and automatically tunnel to the mobility server at an available geographically defined WiFi network access location predicated upon a global positioning system determined position of the mobile communication apparatus. Embodiments also provide seamless transitions between WiFi networks and cellular networks.Type: ApplicationFiled: August 18, 2014Publication date: November 27, 2014Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Lucas Goncalves Franco, Peeyush Jaiswal, Breno Henrique Leitao, Christopher A. Robbins
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Publication number: 20140348154Abstract: A method includes wirelessly transmitting one or more messages to a sensor assembly in order to synchronize a clock of the sensor assembly. The method also includes wirelessly receiving multiple sensor measurements of a characteristic of a web of material from the sensor assembly. The method further includes receiving timestamps and position data associated with the sensor measurements. In addition, the method includes correlating the sensor measurements, timestamps, and position data. The sensor measurements from the sensor assembly could be timestamped, and the position data could include timestamped position data. The timestamped position data could be received from a source other than the sensor assembly. The method can further include generating a cross direction profile of the web of material using the sensor measurements, timestamps, and positions.Type: ApplicationFiled: May 23, 2013Publication date: November 27, 2014Applicant: HONEYWELL ASCa, Inc.Inventors: Gertjan Hofman, Sudhir Thalore
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Publication number: 20140348155Abstract: A multiple independent narrow-channel wireless network and method for transmitting and received data over a wireless network using a fragmented frequency spectrum. The system and method uses a plurality of narrow wireless channels obtained from splitting a wide wireless channel. Each narrow channel performs sending, receiving, and carrier sensing. Moreover, each narrow channel is independent such that data can be sent or received without any interference from other narrow channels and without synchronization. Embodiments of the system and method include a compound radio having a compound receiver and a compound transmitter. The compound transmitter includes an inter-radiolet symbol synchronization module, to permit use of a single inverse fast Fourier transform block, and a dynamically configurable filter array, to mitigate leakage between channels. The compound receiver uses fraction data rate processing to optimize efficiency.Type: ApplicationFiled: August 8, 2014Publication date: November 27, 2014Applicant: MICROSOFT CORPORATIONInventors: Krishna Kant CHINTALAPUDI, Bozidar RADUNOVIC, Horia Vlad BALAN, Michael BUETTNER, Vishnu NAVDA, Ramachandran RAMJEE
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Publication number: 20140348156Abstract: Disclosed is a method of selecting a route for data transmission. The method comprises: receiving an ingress codec profile and an identification of a destination; determining whether there is a matching codec pair that includes a codec that is identified in both the ingress codec profile and one or more egress codec profile; identifying one or more compatible codec pairs between the codecs listed in the ingress codec profile and the codecs listed in the egress codec profiles associated with egress trunk groups; prioritizing a list of codec pairs, each codec pair in the list of codec pairs comprising a codec identified in the ingress codec profile and a codec identified in an egress codec profile; and, selecting one trunk group from the egress trunk group list, the selected trunk group having a codec profile that comprises a codec from a codec pair in the prioritized list of codec pairs.Type: ApplicationFiled: May 22, 2013Publication date: November 27, 2014Applicant: Rogers Communications Inc.Inventors: Paul Borong Zheng, Luojun JIN
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Publication number: 20140348157Abstract: A web telephone service system comprises a client web page adapted to be displayed on a screen of a computer, the client web page including an element associated with the web telephone service and embedded software code, a client web server hosting the web page and an authentication key, an application server adapted to authenticate the client using the authentication key and determining a client telephone number associated with the client, a media server adapted to translate IP traffic to and from a real-time protocol traffic, a media gateway in communication with a private branch exchange adapted to associate the client telephone number with a dial plan, a SIP trunk adapted to translate VOIP traffic to and from POTS traffic, and whereby a user clicking on the visual element is operable to cause a voice communication line to be automatically established between the computer and a client POTS telephone device.Type: ApplicationFiled: May 22, 2013Publication date: November 27, 2014Applicant: Speak2sales, LLCInventors: Clayton K. Redmon, Bryan W. Nations
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Publication number: 20140348158Abstract: Methods, systems and computer readable media for provisioning VPN phones are disclosed.Type: ApplicationFiled: May 23, 2013Publication date: November 27, 2014Applicant: Avaya Inc.Inventors: Seung Bong Han, Thanh Phan
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Publication number: 20140348159Abstract: A method for telephony includes receiving at an Internet telephony service provider a subscriber request to place a call to a telephone number. A cache associated with the internet telephony service provider is queried to check if the cache holds a record for the telephone number. If the cache holds the record, the record is obtained. If the cache does not hold the record, a request is sent to a database server that maintains a database of records associating endpoint user terminal telephone numbers of subscribers with respective packet network addresses of the endpoint user terminal. The call is placed to the endpoint user terminal telephone number via a public switched telephone network whilst the request is sent to the database server to retrieve the packet network address of the endpoint user terminal to which calls to the telephone number should be placed.Type: ApplicationFiled: August 11, 2014Publication date: November 27, 2014Inventors: Baruch Sterman, David Schwartz, Eli Katz
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Publication number: 20140348160Abstract: In one embodiment, a connection is maintained between a pair of ethernet ports that have circuitry connected in series with the ports and receiving power-over-ethernet (PoE) from one of the ports, by providing a controllable bypass circuit coupled to the pair of ethernet ports in parallel with the circuitry receiving power-over-ethernet, sensing a preselected condition, and opening and closing the bypass circuit in response to the presence or absence of the preselected condition. Power sourcing equipment (PSE) may supply the one of the ports with power over ethernet, and the circuitry may transports data between the pair of ethernet ports. The circuitry may also supply the switch with a control signal in response to the detection of the preselected condition.Type: ApplicationFiled: April 17, 2014Publication date: November 27, 2014Inventors: Claude Robitaille, Patrick Ostiguy, Nicolas Cote, Steve Rochon, Dominique Bastien
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Publication number: 20140348161Abstract: Some embodiments provide a network control system that includes a network controller and a set of hosts on which a set of managed forwarding elements operate. The network controller computes forwarding state information and pushes the computed forwarding state information to a set of managed forwarding elements to define forwarding behaviors of the managed forwarding elements. The managed forwarding elements receive the forwarding state information from the network controller and directly exchange with each other updates to the forwarding state information. The updates are exchanged between the managed forwarding elements without a network controller relaying the updates.Type: ApplicationFiled: April 18, 2013Publication date: November 27, 2014Inventors: Teemu Koponen, Amar Padmanabhan
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Publication number: 20140348162Abstract: In one embodiment, a system includes a server having a hypervisor layer that includes an overlay-capable virtual switch and a Fibre Channel (FC) virtual switch; at least one processor configured to execute logic; and a converge network adapter (CNA) coupled to the hypervisor, the CNA being configured to communicate with the overlay-capable virtual switch and the FC virtual switch, wherein the CNA is configured to communicate with a FC forwarder (FCF), and the overlay-capable virtual switch includes logic configured to communicate with a central controller. In another embodiment, a method for sending FCoE traffic over an overlay network includes receiving a block of media access control (MAC) addresses for use in local fabric initialization protocol (FIP) operations and advertising to all local FCoE initiators to route FCoE traffic to a server by asserting an overlay-capable virtual switch within the server as a FCF for any requesting FCoE initiators.Type: ApplicationFiled: August 8, 2014Publication date: November 27, 2014Inventors: Bhalachandra G. Banavalikar, Keshav G. Kamble, Renato J. Recio
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Publication number: 20140348163Abstract: A port switching method performed by a processor included in an analysis device coupled to a first port and a second port which are included in at least one of a plurality of switches, the port switching method includes receiving a first copy packet from the first port; determining whether the first copy packet succeeded a second copy packet based on sequence information of the first copy packet, and based on sequence information of a second copy packet received before the receiving; specifying a target port outputted the first copy packet to the first port, the target port being included in a target switch among the plurality of switches when it is determined that the first copy packet did not succeed the second copy packet; and causing the target switch to transmit, from the target port, a third copy packet generated at the target switch to the second port.Type: ApplicationFiled: May 15, 2014Publication date: November 27, 2014Applicant: FUJITSU LIMITEDInventor: Hirokazu Iwakura
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Publication number: 20140348164Abstract: A method for maintaining a multicast forwarding table item and a Protocol Independent Multicast (PIM) router are disclosed. The method includes: receiving, by a PIM router, a multicast leave message for leaving a multicast group through an input port, finding, by the PIM router, a multicast forwarding table item corresponding to the multicast group in the PIM router, deleting the input port through which the multicast leave message is received from an output port list of the multicast forwarding table item, if there is a switcher identifier on the input port in the output port list and the output port list of the multicast forwarding table item is empty, deleting the multicast forwarding table item immediately or accelerating the deletion of the multicast forwarding table item, wherein the switcher identifier indicates that the input port corresponds to a switcher.Type: ApplicationFiled: January 16, 2013Publication date: November 27, 2014Applicant: Hangzhou H3C Technologies Co., LTD.Inventors: Di Zhou, Yu Liu, Xusheng Chen
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Publication number: 20140348165Abstract: Disclosed is a system and method for the delivery of multi-unicast communication traffic. A multimedia router is adapted to analyze and identify contents which it handles and one or more access nodes are adapted to receive one or more of the identified contents, cache contents based on said identification; and use cached contents as substitutes for redundant traffic, received by the same access node.Type: ApplicationFiled: August 11, 2014Publication date: November 27, 2014Inventors: Daniel Nathan Frydman, Lior Fite
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Publication number: 20140348166Abstract: An example method for determining an optimal forwarding path across a network having VxLAN gateways configured to implement both FGL networking and VxLAN capabilities can include learning RBridge nicknames associated with the VxLAN gateways in the network. Additionally, the method can include determining a path cost over the FGL network between each of the VxLAN gateways and a source node and a path cost over the VxLAN between each of the VxLAN gateways and a destination node. Further, the method can include determining an encapsulation overhead metric associated with the VxLAN and selecting one of the VxLAN gateways as an optimal VxLAN gateway. The selection can be based on the computed path costs over the FGL network and the VxLAN and the encapsulation overhead metric.Type: ApplicationFiled: May 21, 2013Publication date: November 27, 2014Applicant: Cisco Technology, Inc.Inventors: Yibin Yang, Chiajen Tsai, Liqin Dong, Shyam Kapadia
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Publication number: 20140348167Abstract: A data packet comprising a header, the header having a format associated with a Network Virtualization Using Generic Routing Encapsulation (NVGRE) technology is generated at an originating tunnel end point device in a network. A predetermined bit in a reserved portion of the header is set to a predetermined value. In one embodiment, the reserved portion comprises a Reserved0 portion of the data packet. The data packet is then transmitted.Type: ApplicationFiled: May 24, 2013Publication date: November 27, 2014Applicant: ALCATEL-LUCENT USA INC.Inventors: Pradeep G. Jain, Kanwar D. Singh
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Publication number: 20140348168Abstract: A data packet comprising a header, the header having a format associated with a Virtual Extensible LAN (VXLAN) technology is generated at an originating tunnel end point device in a network. A predetermined bit in a reserved portion of the header is set to a predetermined value. The data packet is then transmitted.Type: ApplicationFiled: May 24, 2013Publication date: November 27, 2014Applicant: Alcatel-Lucent USA Inc.Inventors: Kanwar D. Singh, Pradeep G. Jain
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Publication number: 20140348169Abstract: Provided is a method for receiving a broadcast service. The method includes: receiving a first packetized stream; extracting presentation time information from a header of the first packetized stream; extracting trigger information comprising a target service identifier and a trigger action from a payload of the first packetized stream; and performing the trigger action to an object corresponding to the target service identifier at a time indicated by presentation time information.Type: ApplicationFiled: July 17, 2014Publication date: November 27, 2014Inventors: Joonhui LEE, Kwansuk KIM, Sanghyun KIM, Dongwan SEO, Jongyeul SUH
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Publication number: 20140348170Abstract: A node is configured to receive a packet from a host device, where the packet includes a source address associated with the host device; determine that the source address is not stored by the node; generate one or more logical distances, associated with one or more nodes, based on the source address and a respective address associated with each of the nodes; determine that another node is associated with a shortest logical distance, of the one or more logical distances; and transmit the source address to the other node based on the determination that the other node is associated with the shortest logical distance, where transmitting the source address allows the other node to store the source address or enables further nodes to obtain the source address from the other node.Type: ApplicationFiled: August 7, 2014Publication date: November 27, 2014Inventors: Yafan AN, Sandeep KUMAR, Gunes AYBAY, Rakesh DUBEY
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Publication number: 20140348171Abstract: In a network device to be used for a packet handling, the network device includes a first unit to communicate with a controller according to a first protocol, and to receive a packet handling rule from the controller which is capable of sending the packet handling rule to a plurality of the network devices via a network between the controller and the network device. A second unit classifies, based on a classification rule for classifying a received packet, whether to handle the packet according to the packet handling rule sent from the controller or to handle the packet according to a table entry that the network device autonomously set based on a second protocol. A third unit requests the packet handling rule to the controller when the packet handling rule for forwarding the received packet is not set in the network device.Type: ApplicationFiled: August 13, 2014Publication date: November 27, 2014Applicant: NEC CorporationInventor: Ippei AKIYOSHI
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Publication number: 20140348172Abstract: In a network device to be used for a packet handling, the network device includes a first unit to communicate with a controller according to a first protocol, and to receive a packet handling rule from the controller which is capable of sending the packet handling rule to a plurality of the network devices via a network between the controller and the network device. A second unit to classifies, based on a classification rule for classifying a received packet, whether to handle the packet according to the packet handling rule sent from the controller or to handle the packet according to a table entry that the network device autonomously set based on a second protocol. A third unit requests the packet handling rule to the controller when the packet handling rule for forwarding the received packet is not set in the network device.Type: ApplicationFiled: August 13, 2014Publication date: November 27, 2014Applicant: NEC CorporationInventor: Ippei AKIYOSHI
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Publication number: 20140348173Abstract: At a network device that forwards packets between compute devices and virtual storage area networks using Fiber Channel over Ethernet techniques, data is stored for a virtual fabric port of the network device identifying each of a plurality of virtual storage area networks. For each virtual storage area network, data is stored identifying each of a plurality of compute devices that are logged into the virtual storage area network via the network device. The network device forwards packets sent to the virtual fabric port of the network device from the plurality of compute devices to corresponding ones of the plurality of virtual storage area networks.Type: ApplicationFiled: August 18, 2014Publication date: November 27, 2014Applicant: CISCO TECHNOLOGY, INC.Inventors: Saugat Majumdar, Srinivas Pitta, Giuseppe Andreello, Kalyan Kumar Ghosh
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Publication number: 20140348174Abstract: Methods and apparatus for efficiently servicing isochronous streams (such as media data streams) associated with a network. In one embodiment, an Isochronous Cycle Manager (ICM), receives multiple independent streams of packets that include isochronous packets arriving according to different time bases (e.g., where each stream has a different time base). The packets are sorted by the ICM into a buffering mechanism according to their required presentation time. Additionally the ICM calculates a launch time for each packet. The NIC transmits the packets from the queue according to an access scheme, such as a time division multiplexed (TDM) scheme where each of a plurality of cycles is subdivided into time slots. During appropriate time slots, the NIC transmits the packets in chronological order, as read out of the buffering mechanism.Type: ApplicationFiled: August 12, 2014Publication date: November 27, 2014Inventors: Ashley I. Butterworth, Girault W. Jones, JR., Matthew X. Mora
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Publication number: 20140348175Abstract: Embodiments may be disclosed herein that provide systems, devices, and methods of operating a Multimedia over Coax (MoCA) network. One such embodiment is a method comprising: aggregating packets, including at least control packets and acknowledgement packets, with other packets.Type: ApplicationFiled: August 12, 2014Publication date: November 27, 2014Applicant: CISCO TECHNOLOGY, INC.Inventors: Jack Thomas Matheney, Jeffrey Scott Ford, Albert L. Garrett
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Publication number: 20140348176Abstract: Methods, systems, and computer readable media for performing enhanced service routing are disclosed. One method includes receiving, at a Diameter application executing on a message processor associated with a DSR, a Diameter message that requires a service. The method also includes determining, using service routing data, at least one service provider for performing the service associated with the Diameter message, wherein the service routing data is based on service capability information provided by a plurality of service providers and sending the Diameter message or a portion of the Diameter message to the at least one service provider for performing the service.Type: ApplicationFiled: May 23, 2013Publication date: November 27, 2014Inventors: David Michael Sprague, Seetharaman Khadri, Komal G. Khungar, Jeffrey Alan Craig, Srikanth Nanjund Rao
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Publication number: 20140348177Abstract: A count of data segments is maintained. The count includes data segments in a queue and data segments in transit between a data source and the queue. A flow of data segments from the data source is controlled, based on a value of the count.Type: ApplicationFiled: August 8, 2014Publication date: November 27, 2014Inventors: James Tierney, David Stuart, Bradley Venables