Patent application number | Description | Published |
20100172357 | MINIMIZING EFFECTS OF PACKET DELAY VARIATION IN TIME-DIVISION MULTIPLEXING PSEUDOWIRE SERVICES - Various exemplary embodiments relate to a method and related node for outputting packets from a playout buffer in a node in a packet-switched network including one or more of the following: configuring a Time-Division Multiplexing (TDM) pseudowire terminating at the node; receiving a plurality of fixed-length packets transmitted over the TDM pseudowire; adding the plurality of fixed-length packets to the playout buffer such that the playout buffer reaches a current fill level; inserting at least one dummy packet into the playout buffer, wherein a total length of the at least one dummy packet is equal to a target fill level of the playout buffer minus the current fill level and the target fill level represents a minimum fill level required before output of packets from the playout buffer; and outputting the plurality of fixed-length packets and the at least one dummy packet from the playout buffer. | 07-08-2010 |
20100208582 | SYNCHRONIZING PACKET SEQUENCE NUMBERS FOR LINE CARD REDUNDANCY - Exemplary embodiments relate to a network node implementing redundant cards and configured to synchronize sequence numbers, and a related method. The network node may include a fabric configured to route packets towards a destination. Furthermore, the network node may include an active card configured to establish at least one link to a destination node, generate a sequence number for each packet to be sent, and send a messaging packet including at least one sequence number from the active card to inactive cards over a communication channel on a data path in the fabric. Finally, the network node may include an inactive card configured to receive the messaging packet including the at least one sequence number from the active card over the communication channel, extract the at least one sequence number, and synchronize operation of the inactive card to the active card using the at least one sequence number. | 08-19-2010 |
20100226385 | LCR SWITCH WITH HEADER COMPRESSION - Various exemplary embodiments relate to a method and related network node including one or more of the following: maintaining a line card activity number at each line card in the node; receiving a first packet belonging to a flow; storing, at each line card, a flow record in a line card context identifier storage, wherein the flow record contains a flow activity number being initially set equal to a current value of the line card activity number; detecting, by the second line card, a change in designation to active and changing the value of the line card activity number maintained by the second line card; receiving a second packet belonging to the flow; and transmitting, to the decompressor node, an update packet including the flow context identifier and the flow identifying information, upon determining that the flow activity number is not equal to the updated line card activity number. | 09-09-2010 |
20100284397 | HANDLING OUT-OF-SEQUENCE PACKETS IN A CIRCUIT EMULATION SERVICE - Various exemplary embodiments relate to a method and related network node having a playout buffer including one or more of the following: receiving a first packet, a second packet, a first set of at least one subsequent packet, wherein each packet includes a sequence number (SN); determining that the second packet is not in sequence with the first packet by determining that the SN of the second packet is not equal to the SN of the first packet plus an expected increment value; determining whether the second packet represents a jump in SNs by determining whether the SN of a first subsequent packet is equal to the SN of the second packet plus the expected increment value; and when the second packet represents a jump in SNs, gradually normalizing the playout buffer upon receipt of each subsequent packet. | 11-11-2010 |
20110320858 | MONITORING SOFTWARE THREAD EXECUTION - The invention is directed to monitoring execution of software threads, particularly by detecting a lockup or stall in execution of a software thread and initiating a remedial action in response. Advantageously, some embodiments of the invention automatically detect a lockup or stall in execution of a software thread by periodically sampling information corresponding to the thread, and, in accordance with a determination made using the information, initiate an attempt to recover from such a condition in execution without the need for manual intervention. | 12-29-2011 |
20130064248 | HANDLING OUT-OF-SEQUENCE PACKETS IN A CIRCUIT EMULATION SERVICE - Various exemplary embodiments relate to a method and related network node having a playout buffer including one or more of the following: receiving, at the network device, a first packet belonging to a first flow, the first packet including a first sequence number (SN); receiving, at the network device, a second packet belonging to the first flow, the second packet including a second SN; determining that the second SN is not in sequence with the first SN; waiting to receive, at the network device, a third packet belonging to the first flow, the third packet including a third SN; and determining that a jump in SNs has occurred for the first flow between the first packet and the second packet based on determining that the third SN is in sequence with the second SN. | 03-14-2013 |
20140095782 | METHOD AND SYSTEM FOR USING RANGE BITMAPS IN TCAM ACCESS - Various exemplary embodiments relate to a method and related network node including one or more of the following: determining that a first search value is associated with a first range field; determining a first bitmap associated with the first search value, wherein the first bitmap indicates at least one range encompassing the first search value; generating a search key based on the first bitmap; and accessing the ternary content addressable memory based on the search key. | 04-03-2014 |
Patent application number | Description | Published |
20090023434 | Jurisdiction based parameter setting for wireless transceivers - Low cost semiconductor manufacturing techniques have provided consumers with a wide range of electronic devices supporting communications according to multiple standards. These electronic devices will be deployed within many operational jurisdictions, particularly with roaming features, such as Japan, Europe, Asia-Pacific, South America and North America. However, operational compliance requirements can vary substantially with these different jurisdictions. Current electronic devices are designed, manufactured, calibrated and operated according to a specification providing compliance with broad range of operational jurisdictions despite the performance limitations this applies in many of the operational jurisdictions. Accordingly, there is provided a method of dynamically configuring the electronic device based upon a geographically based determination of the operational jurisdiction from global navigation systems data received by the electronic device. Based upon the determined operational jurisdiction, the operational parameters of a device's communication interfaces are adjusted for improving performance and efficiency of the device within these jurisdictions. | 01-22-2009 |
20100202325 | DUAL MODE TRANSCEIVER - A circuit is disclosed with an external coupling port for coupling to an external antenna, for example. The circuit has an FDD receive path including a narrowband passband filter. The circuit has a TDD receive path bypassing the narrowband passband filter but relying on a same amplifier. The circuit also has an FDD transmit path including a narrowband passband filter. The circuit has a TDD transmit path bypassing the narrowband passband filter of the FDD transmit path but relying on a same transmit amplifier. A switching configuration allows the circuit to operate in TDD mode, alternating between the TDD receive path and the TDD transmit path and in the FDD mode wherein the FDD transmit and receive paths are simultaneously coupled to the external coupling port. | 08-12-2010 |
20110050347 | Method and System for Amplifier Control - A method is disclosed wherein a power level indicating a level of transmission power from an amplifier is provided. An indication of at least one of channel, channel bandwidth, OOB spectral requirements, spectral mask requirements, EVM, modulation rate, and modulation type is also provided. A control signal for controlling one of a bias current provided to the amplifier and a matching circuit for matching an output port of at least a stage of the amplifier is generated, the control signal determined in dependence upon the power level and the at least an indication. Then the one of the bias current and the matching circuit is adjusted in accordance with the control signal. | 03-03-2011 |
20120171968 | DUAL MODE TRANSCEIVER - A circuit is disclosed with an external coupling port for coupling to an external antenna, for example. The circuit has an FDD receive path including a narrowband passband filter. The circuit has a TDD receive path bypassing the narrowband passband filter but relying on a same amplifier. The circuit also has an FDD transmit path including a narrowband passband filter. The circuit has a TDD transmit path bypassing the narrowband passband filter of the FDD transmit path but relying on a same transmit amplifier. A switching configuration allows the circuit to operate in TDD mode, alternating between the TDD receive path and the TDD transmit path and in the FDD mode wherein the FDD transmit and receive paths are simultaneously coupled to the external coupling port. | 07-05-2012 |
20140159817 | INTEGRATED START-UP BIAS BOOST FOR DYNAMIC ERROR VECTOR MAGNITUDE ENHANCEMENT - Devices and methods for correcting for start-up transients in integrated power amplifier are disclosed. A power amplifier is responsive to a bias control output and is arranged to provide an amplified power output. In some examples, the boost current is adjusted based on a supply voltage and an input power of the power amplifier. The power amplifier can operate in a low power and a high power mode and the adjustments can be made to the supply voltage and/or the input power vary depending on whether the power amplifier is operating in the high or low power mode. The adjustments for the high power mode operation are different than and correspond to the high power mode input power and voltage and the adjustments for the low power mode operation are different than and correspond to the low power mode input power and voltage. | 06-12-2014 |
Patent application number | Description | Published |
20120330650 | METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR FRICATIVES AND HIGH FREQUENCIES DETECTION - Methods, systems, and computer readable media for fricatives and high frequencies detection are disclosed. According to one method, the method includes receiving a narrowband signal. The method also includes detecting, using one or more autocorrelation coefficients, a high frequency speech component associated with the narrowband signal. | 12-27-2012 |
20130054230 | ESTIMATION OF SPEECH ENERGY BASED ON CODE EXCITED LINEAR PREDICTION (CELP) PARAMETERS EXTRACTED FROM A PARTIALLY-DECODED CELP-ENCODED BIT STREAM AND APPLICATIONS OF SAME - Methods, systems, and non-transitory computer readable media for estimating speech energy of an encoded bit stream based on coding parameters extracted from the partially-decoded bit stream are disclosed. According to one aspect, a method for estimating speech energy of an encoded bit stream based on coding parameters extracted from the partially-decoded bit stream includes receiving a CELP-encoded bit stream, partially decoding the bit stream, and estimating the speech energy of the bit stream based a set of four or fewer CELP parameters extracted from the partially decoded bit stream. According to another aspect, a method for estimating speech energy of an encoded bit stream based on coding parameters extracted from the partially-decoded bit stream includes receiving a CELP-encoded bit stream, partially decoding the bit stream, extracting at least one CELP parameter from the partially-decoded bit stream, and estimating the speech energy of the bit stream based on the extracted at least one CELP parameter without calculating a linear prediction coding (LPC) filter response energy. | 02-28-2013 |
20130156119 | METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR SELECTING A CODEC PAIR BASED ON NETWORK CONDITIONS - A method for selecting a codec pair includes obtaining a first performance metric indicating a condition of a first network connected to the network node via a first communication interface, the first network including a first endpoint. A second performance metric indicating a condition of a second network connected to the network node via a second communication interface is obtained. The second network includes a second endpoint. A codec selection model is generated or updated based on the first and second performance metrics. A first codec is selected from a plurality of codecs compatible with the first endpoint based on the codec selection model. A second codec is selected from a plurality of codecs compatible with the second endpoint based on the codec selection model. The first and second codecs are used to communicate a portion of a communication session between the first endpoint and the second endpoint. | 06-20-2013 |
20150180781 | Systems, Methods, and Computer Program Products for Congestion Control of Media Gateway Resources - A method is disclosed for managing a plurality of resources in a media gateway, the method comprising: determining that a utilization of a resource exceeds a first threshold, wherein the resource is one of the plurality of resources; determining a reduction in load to communicate to a media gateway controller (MGC) coupled to the media gateway, wherein the reduction is based on the resource and the first threshold; and sending a message indicating the reduction and the resource to the MGC. | 06-25-2015 |
20150217900 | Extendable and collapsible container - An improved extendable and collapsible container has a plurality of telescoping sleeves adapted to interlock with one another to form a desired volume. A base member attached to a bottom most sleeve and adapted to house the sleeves when the container is collapsed, and adapted to form a base of the container when the container is extended. A removable cap member attached to a top most sleeve and adapted to enclose the volume when the container is extended, the cap member includes a closable opening therethrough adapted to allow a substance to pass from the volume inside the container outward therefrom when desired. A sleeve locking mechanism adapted to lock the sleeves in respective positions when a desired volume is formed and unlock the sleeves from their respective positions when it is desired to collapse the container. | 08-06-2015 |
20150263896 | SYSTEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR COMPUTER NODE RESOURCE MANAGEMENT - A method performed by a controlling computer node in a network with a plurality of subordinate computing nodes, the method including: receiving, from a first subordinate computer node, information indicating computing resource impacts for a plurality of different processing functions; receiving, from a communication endpoint, a processing task; determining an impact upon available resources of the first subordinate computer node if the task were to be assigned to the first subordinate computer node, wherein the determining is performed using the information indicating computing resource impacts; and assigning the task to either the first subordinate computer node or another one of the subordinate computer nodes based at least in part on the determining the impact. | 09-17-2015 |
20160072868 | SYSTEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR SELECTING CODECS TO OPTIMIZE RESOURCE UTILIZATION - Embodiments provide systems, methods, apparatus, and computer program products for selecting the codecs that each endpoint will use in a call in order to optimize the utilization of at least one internal resource of a network component. The network component receives a call invite from a first endpoint that identifies available codecs. The network component determines what codecs are available to the second endpoint and determines what codec pairing will have the least impact on at least one identified internal resource of the network component. The network component sends call set-up information to the first endpoint that identifies the selected codec or list of codecs for the first endpoint, and call set-up information to the second endpoint that identifies the selected codec or list of codecs for the second endpoint. | 03-10-2016 |
Patent application number | Description | Published |
20100139208 | Hybrid Method Of Erecting A Cold Box Using Prefabricated And Field Erected Components - A method of erecting a cold box that includes the steps of anchoring at least one column to a foundation in a substantially vertical orientation; anchoring a pipe rack module to the foundation in a substantially vertical orientation, wherein the pipe rack module is in close proximity to the at least one column; attaching interconnecting piping between the pipe rack module and the at least one column; anchoring at least four corner beams to the edge of the foundation in a substantially vertical orientation; attaching prefabricated panels with bracing to the corner beams, to form an enclosure around the column and piping; and attaching a roof to the enclose is provided. | 06-10-2010 |
20160097488 | ARGON RECONDENSING METHOD - A method for condensing argon can include two flow streams interacting with each other in a heat exchanger found within a cold box: a stream of gaseous argon enters the heat exchanger to be cooled down below its liquefaction point by a stream of pressurized liquid nitrogen entering the heat exchanger. While passing through the heat exchanger, gaseous argon is gradually cooled down until it is condensed into liquid, flowing by gravity to the nearby liquid argon storage tank. | 04-07-2016 |
20160097489 | ARGON RECONDENSING APPARATUS - An apparatus for condensing argon can include cold box, which is preferably sealed and largely maintenance free, where all instruments and valves requiring routine maintenance are to be located outside, a nitrogen separator disposed within the cold box, a heat exchanger disposed within the cold box, the heat exchanger is configured to condense a gaseous argon stream against a pressurized liquid nitrogen stream. The cold box is elevated as compared to an argon storage vessel, such that the condensed argon stream can flow to the argon storage vessel without the need for a pump. | 04-07-2016 |
Patent application number | Description | Published |
20120009886 | ARCHITECTURE FOR COEXISTENCE OF MULTIPLE BAND RADIOS - A front end module for use with a first and a second radio frequency transceiver, constituted of: a control circuitry; a first antenna connection port; a second antenna connection port; a filter arranged to substantially attenuate the carrier frequency bandwidth of the second radio frequency transceiver; and a plurality of electronically controlled switches, wherein the control circuitry is arranged to: in the event that the first and second radio frequency transceivers are simultaneously operative, set the plurality of electronically controlled switches to connect the first radio frequency transceiver to one of the first and second antenna connection ports via the filter; and in the event that the first and second radio frequency transceivers are not simultaneously operative, set the plurality of electronically controlled switches to bypass the filter and connect the first radio frequency transceiver to one of the first and second antenna connection ports. | 01-12-2012 |
20130181779 | SYSTEMS AND METHODS TO ADJUST THE BIAS OF AN AMPLIFIER - A system and method improve amplifier efficiency of operation relative to that of an amplifying transistor with a fixed bias current. A power level representing a level of transmission power from an amplifier circuit and an indicator of amplifier circuit operation are provided. The indicator is at least one of channel, channel bandwidth, out-of band spectral requirements, spectral mask requirements, error vector magnitude, modulation rate, and modulation type. The amplifying transistor is biased with a bias current that is determined based at least in part on the power level and the indication where the bias current is different for channels at an edge of a channel band than for channels nearer a center of the channel band. | 07-18-2013 |
20130188529 | SYSTEMS AND METHODS OF OPERATIONAL MODES FOR A TRANSCEIVER - A transceiver circuit is configured to operate in a first mode of operation and a second mode of operation such that a receive signal propagates from an antenna through a first filter to a low noise amplifier while simultaneously a transmit signal propagates from a power amplifier through a second filter to the antenna when operating in the first mode. The receive signal propagates from the antenna to the low noise amplifier without being filtered while alternating with the transmit signal propagating from the power amplifier to the antenna without being filtered when operating in the second mode. | 07-25-2013 |
20140155051 | JURISDICTION BASED PARAMETER SETTING FOR WIRELESS TRANSCEIVERS - Low cost semiconductor manufacturing techniques have provided consumers with a wide range of electronic devices supporting communications according to multiple standards. These electronic devices will be deployed within many operational jurisdictions, particularly with roaming features, such as Japan, Europe, Asia-Pacific, South America and North America. However, operational compliance requirements can vary substantially with these different jurisdictions. Current electronic devices are designed, manufactured, calibrated and operated according to a specification providing compliance with broad range of operational jurisdictions despite the performance limitations this applies in many of the operational jurisdictions. Accordingly, there is provided a method of dynamically configuring the electronic device based upon a geographically based determination of the operational jurisdiction from global navigation systems data received by the electronic device. Based upon the determined operational jurisdiction, the operational parameters of a device's communication interfaces are adjusted for improving performance and efficiency of the device within these jurisdictions. | 06-05-2014 |
20140176243 | SYSTEMS AND METHODS TO ADJUST THE MATCHING CONDITIONS OF AN AMPLIFIER - A system and method improve amplifier efficiency of operation relative to that of a matching circuit with fixed matching conditions. A power level representing a level of transmission power from an amplifier circuit and an indicator of amplifier circuit operation are provided. The indicator is at least one of channel, channel bandwidth, out-of band spectral requirements, spectral mask requirements, error vector magnitude, modulation rate, and modulation type. The matching conditions for a matching circuit of an amplifying transistor are adjusted based at least in part on the power level and the indication where the matching conditions are different for channels at an edge of a channel band than for channels nearer a center of the channel band. | 06-26-2014 |
Patent application number | Description | Published |
20110129213 | METHOD AND APPARATUS FOR MEASURING A FACTOR CHARACTERIZING A BALANCED DETECTION DEVICE - A method is provided for measuring a factor, called herein the single-port rejection ratio (SPRR), characterizing a balanced detection device. The SPRR is representative of the ratio of the weak differential output current measured under illumination of a single-port of the balanced detection device to the strong measurable differential output current obtained under dual-port illumination. An apparatus for measuring the SPRR is also provided. | 06-02-2011 |
20120063474 | Low White Frequency Noise Tunable Semiconductor Laser Source - A low white frequency noise tunable semiconductor laser source is presented. The laser source includes a single-mode semiconductor laser assembly which generates a laser beam having a tunable frequency over a spectral range of interest. An optical filter is provided in the path of the laser beam. The optical filter has multiple spectral features distributed over the entire spectral range of interest. Each spectral feature has a narrow spectral range. A locking mechanism is further provided and is controllable for locking a spectral alignment between the frequency of the laser beam and any selected one of the spectral features of the optical filter. | 03-15-2012 |
20150247974 | SPOT-SIZE CONVERTER FOR OPTICAL MODE CONVERSION AND COUPLING BETWEEN TWO WAVEGUIDES - A spot-size converter for coupling light between first and second waveguides respectively supporting first and second propagation modes having substantially different dimensions is provided. The spot-size converter includes a lower and an upper waveguiding structure each characterized by an effective refractive index. The lower waveguiding structure is coupled to the first waveguide to receive light therefrom or transmit light thereto in the first propagation mode. The upper waveguiding structure is coupled to the second waveguide to transmit light thereto or receive light therefrom in the second propagation mode. The upper waveguiding structure includes a plurality of longitudinally extending high-index elements arranged in multiple vertically spaced rows. At least part of the upper waveguiding structure extends at least partially over the lower waveguiding structure so as to define a coupling region wherein an effective refractive index crossing occurs, thereby enabling evanescent coupling of light between the lower and upper waveguiding structures. | 09-03-2015 |
20160004021 | CONNECTORIZED OPTICAL CHIP ASSEMBLY - A connectorized optical chip assembly connectable to an external optical fiber having a fiber connector is provided. The connectorized optical chip assembly includes a substrate, an optical chip having an on-chip optical waveguide and a connectorized interface. The connectorized interface includes an optical coupling element mounted in optical alignment with the on-chip optical waveguide. The connectorized interface includes a chip connector engaging the optical coupling element and configured for mating with the fiber connector of the external optical fiber, so as to provide an optical coupling of light between the optical coupling element and the external optical fiber. The connectorized optical chip assembly also includes a mechanical support structure supporting the connectorized interface onto the substrate. Preferably, the components of the connectorized optical assembly are made of materials heat resistant to temperatures used to melt solder in surface mount processes. | 01-07-2016 |
Patent application number | Description | Published |
20080197737 | PERMANENT MAGNET ROTOR ASSEMBLY - An illustrative embodiment of the present invention is concerned with a permanent magnet rotor for an electric machine provided with an internal stator and a coaxial external rotor. To overcome the drawbacks associated with the use of an adhesive to mount the permanent magnets to the rotor body, permanent magnet spacing and retaining elements are mounted to the inner surface of the rotor, between adjacent magnets. | 08-21-2008 |
20090130898 | Electrical Connector - Described are electrical connectors for hi-power applications where multiple electrical wires are to be maintained apart and electrically insulated from one another. The connectors are to be used to mount the plurality of wires to a receptacle of a casing so as to establish a connection with electric circuit(s) provided inside the casing. Portions of the connector interact with the casing to provide a seal therebetween to prevent the water and dirt infiltration inside the casing. | 05-21-2009 |
20090236919 | Stator Assembly for Electric Machines - A stator assembly is provided with detachable teeth that are made of magnetic powder material. The teeth are so configured and sized as to be interconnected to a core body of the stator with pre-formed coils that are positioned between adjacent teeth. | 09-24-2009 |
20140292116 | COOLING ASSEMBLY FOR ELECTRIC MACHINES - A cooling assembly for the stator of an electric machine provided with coils including heads is described herein. The cooling assembly includes a generally cylindrical cooling body provided with opposite longitudinal ends and at least one head-cooling element mounted to one of the longitudinal end of the body; the head-cooling element being so configured as to enclose heads of the coils and to receive heat conducting material therein. | 10-02-2014 |
20140318742 | Cooling Device with Bypass Channel - A cooling device to which an electric circuit may be mounted includes a cooling body and a cover both defining a fluid cooling path. Inner and outer seals are provided between the body and the cover and a leak bypass channels leaking fluid away from the electric circuit is provided between the inner and outer seals. | 10-30-2014 |