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| Number | Title | Issue Date |
| 8130759 | Routing validation A simulator simulates routing system protocols to build routing tables corresponding to a modeled network, and a comparator compares the routing tables in the actual network to these simulator-created routing tables. Because the modeled system represents a fault-fre... | 03/06/2012 |
| 8130661 | Systems and methods for intelligent probe testing Systems and methods are disclosed for testing a processor having at least a first interface. In one embodiment, the method includes configuring, at the processor, a second interface, such that the configured second interface has one or more quality of service parame... | 03/06/2012 |
| 8005019 | Fuzzy routing A system and method optimizes the information flow regarding node location across a network by controlling the propagation of this information based on distance from the node. Location servers that are near to a node receive detailed information regarding the node's... | 08/23/2011 |
| 8005006 | Discovery of multiple-parent dependencies in network performance analysis Multiple parent-dependencies are identified for messages that are received on a network that includes nodes that are configured to avoid the conventional strictly-sequential communications techniques and protocols, in order to accelerate network performance. If a ne... | 08/23/2011 |
| 7894369 | Network physical connection inference for IP tunnels The physical connection corresponding to IP tunnels in a network are found by tracing through the device configuration and routing tables at the routers in the network to determine the outbound interface associated with each tunnel endpoint, and then inferring a lik... | 02/22/2011 |
| 7885200 | Application delay analysis A graphic user interface facilitates the hierarchical analysis of timing parameters related to network-based applications. At the top level of the hierarchy, the user is presented a summary of the delays incurred while running an application, or while simulating the... | 02/08/2011 |
| 7848259 | Systems and methods for inferring services on a network Systems and methods are disclosed for managing services on a network. In one exemplary embodiment, the method includes receiving topologically relevant network information concerning nodes, interfaces, connections and/or protocols; resolving conflicts in the receive... | 12/07/2010 |
| 7861976 | Latching separation system Latching elements on a first structure are configured to securely engage corresponding bearings on a second structure, via a lateral member that drives all of the latching elements simultaneously. When engaged, or when disengaged, the system is in a stable state, re... | 01/04/2011 |
| 7843840 | Traffic independent survivability analysis First-order effects of hypothesized fault conditions are determined by propagating discrete test packets between select nodes and noting the change of path, if any, taken by the test packet under each condition relative to the fault-free path. Tools are provided to ... | 11/30/2010 |
| 7843815 | Estimation of time-varying latency based on network trace information Time-varying latency is estimated based on the round-trip time between the time of sending a message and the time of receiving an acknowledgement of receipt of the message. The round-trip time relative to a transmitter is modeled as a combination of known, or determ... | 11/30/2010 |
| 7839790 | Network congestion analysis Application messages are segregated into message paths, and the delays of the transmitted packets associated with each message path are independently analyzed to distinguish propagation, bandwidth, congestion, and protocol delays. To further distinguish the congesti... | 11/23/2010 |
| 7813281 | Interactive MPLS traffic engineering An interactive system and method automates the control and management of routing changes that are focused on specific routes or particular network hot spots. Based on the premise that the user is aware of a particular problem that needs to be solved, the system lead... | 10/12/2010 |
| 7730099 | Storage and retrieval of richly typed hierarchical network models A Composite Pattern with BLOB data types is used to model a hierarchical network, and includes a path-like construct for locating each component within the network model. Database procedures are used to efficiently search, modify and retrieve individual nodes from t... | 06/01/2010 |
| 7729678 | Controllable power operational transconductance amplifier Controllable operational transconductance power amplifier (controllable power OTA) including an input stage receiving a differential input signal (Ovin) and deriving therefrom first (i1) and second (i2) low power current signals being coupled to first ... | 06/01/2010 |
| 7729256 | Correlating packets A system/method searches a traffic stream for a sequence of “matching” packets that exhibit a high degree of correlation or similarity to a sequence of “reference” packets. The correlation between matching and reference packets is based on a degree of corres... | 06/01/2010 |
| 7729240 | Method and system for identifying duplicate packets in flow-based network monitoring system A network monitoring device configured to collect a new packet from one or more observation points of a network and to compare the new packet with a list of a number of received packets based on a packet arrival rate and to identify a duplicate packet. In particular... | 06/01/2010 |
| 7688743 | Tracing routing differences A routing validation method and system identifies routers that are likely to be the cause of differences in forwarding tables associated with two versions of a network. Each destination sub-network prefix is processed to identify all the routers that exhibit differe... | 03/30/2010 |
| 7639609 | Controlled incremental multi-protocol label switching (MPLS) traffic engineering An existing network configuration is assessed, and potential changes to the existing configuration are identified that provide the greatest incremental improvements to the performance of the network. In a preferred embodiment, the user of the system identifies the m... | 12/29/2009 |
| 7596170 | Coherent detection without transmission preamble A receiving system allows for the coherent detection of a spread-spectrum transmission at any point in time during the transmission, thereby avoiding the need to identify the start of the transmission during the transmission-detection process. An input buffer captur... | 09/29/2009 |
| 7593351 | Method and system for collecting and consolidating network traffic information A distributed network monitoring system includes a central monitoring device configured to fetch network traffic information from one or more remote monitoring devices in response to receiving a notification from the remote monitoring devices that the network traffi... | 09/22/2009 |
| 7570669 | Synchronizing packet traces A system and method for determining a common time base among nodes in a network by iteratively propagating timing constraints among the nodes, and determining a time-shift to apply to the time base of each node that conforms to these constraints. “Trace” files r... | 08/04/2009 |
| 7551560 | Method of reducing packet loss by resonance identification in communication networks A control node of a communication network is operated at a packet bandwidth determined according to observations of performance metrics of the network at the control point. These performance metrics may be one or more of throughput, average fetch time and packet los... | 06/23/2009 |
| 7535289 | Integrated RC filter An integrated RC filter comprises a first resistor being coupled to a first capacitor through a first node and a signal input of said integrated RC filter is coupled through one of the first resistor and the first capacitor to the first node. To allow for an increas... | 05/19/2009 |
| 7506016 | Multiplier device Multiplier device comprising first to nth multipliers M1 to Mn for multiplying a carrier modulated information signal with first to nth mutually phase shifted and identical, substantially square wave mixing signals MS... | 03/17/2009 |
| 7469203 | Wireless network hybrid simulation A simulation method and system partitions network traffic into background traffic and explicit traffic, wherein explicit traffic is processed in detail, and background traffic is processed at a more abstract level. The packets of explicit traffic are modeled in comp... | 12/23/2008 |
| 7432767 | Tunable low noise amplifier Tunable low noise amplifier using an RF current feed back loop (L) coupled between input (IM) and output (OM) means and including first (CAI) and second (CA2) serially coupled first order lowpass RF current amplifiers as well RF current inverter means (INV). ... | 10/07/2008 |
| 7433391 | Spread-spectrum receiver with fast M-sequence transform A receiving system dynamically searches a communications band for transmissions of messages having the same nominal communications parameters, including the use of the same spreading code, but having potentially different specific frequencies and code-phases. The re... | 10/07/2008 |
| 7429889 | Control system for programmable filters Control system for programmable filters, master-slave calibration system and fully programmable high precision filter for use in such control system, such filters being provided with a filter input and a filter output including a first, first order low pass filter s... | 09/30/2008 |
| 7374691 | In-situ hydraulic treatment conduit A system is installed in the subsurface to control the hydraulic gradient between the area within a containment system and the area outside the containment system, and provides an easy-to-maintain treatment system. Preferably, the treatment system includes a suffici... | 05/20/2008 |
| 7299018 | Receiver comprising a digitally controlled capacitor bank Receiver comprising an RF input filter including a digitally controlled capacitor bank with n capacitors being controlled by a tuning control signal for varying the tuning frequency of the RF input filter within a tuning range. For an improvement of the receiver in ... | 11/20/2007 |
| 7286807 | Receiver with a cascade of resonant amplifiers in the RF input stage Receiver comprising a cascade of first to N resonance amplifiers (SA1, SA2, SA3), an output thereof being coupled to signal processing means (TO, SD, PK, LP1, S) for deriving a baseband modulation signal. To improve the signal to noise ra... | 10/23/2007 |
| 7254389 | Wireless link simulation with generic caching A simulation system includes a cache structure that stores determined characteristics related to the propagation of an event. If a similar event occurs, and the factors affecting the determination of these characteristics have not changed, the characteristics associ... | 08/07/2007 |
| 7242423 | Linking zones for object tracking and camera handoff Linked zones define the temporal and spatial relationships among multiple zones of a surveillance area, and are used to model an object's disappearance from one zone, for potential reappearance at another zone. One or more zones are defined within each camera's fiel... | 07/10/2007 |
| 7242730 | Mirror suppression circuit and receiver using such circuit A mirror suppression circuit includes a first quadrature signal path coupled between quadrature signal input and output terminals and an error correction circuit for correction of amplitude and phase errors in a carrier modulated quadrature signal. To obtain a suppr... | 07/10/2007 |
| 7191984 | Thermal design for spacecraft modules A thermal management system for a spacecraft module includes a baseplate and wall system that is precharacterized to provide a given level of thermal performance regardless of an orientation of the spacecraft relative to a source of solar energy. The system is chara... | 03/20/2007 |
| 7139692 | Flow propagation analysis using iterative signaling A method and system for flow propagation analysis uses ‘tracers’ that are iteratively propagated through a simulated network between source and destination elements. These tracers are structured to contain traffic flow information from source to destination, and... | 11/21/2006 |
| 7133527 | Stereodecoder An arrangement for decoding a stereo multiplex signal, comprising a baseband sum signal (L+R), a difference signal (L−R) which is amplitude-modulated on a suppressed sub-carrier and a pilot signal having a frequency located between the frequency bands of said sum ... | 11/07/2006 |
| 7069529 | Method and apparatus for generating a solid state circuit layout with in-design variability associated to the setting of analog signal processing parameters, and an integrated circuit design and an integrated circuit produced by applying such method A Solid State Integrated Circuit Layout is generated by specifying an intended functionality assortment and translating the functionality assortment into various circuitry representations. The circuitry representations are converted into circuit items of an overall ... | 06/27/2006 |
| 6998987 | Integrated RFID and video tracking system A video surveillance system is integrated with an RFID tracking system. The calibration of the RFID tracking system is enhanced by using information provided by the video surveillance system. Optionally, the calibration of the video surveillance system may be enhanc... | 02/14/2006 |
| 6985512 | Asynchronous spread-spectrum communications Communications from autonomous spread-spectrum transmitters are received by dynamically searching the communications band for messages having the same communications parameters, including the use of the same spreading code, but having potentially different code-phas... | 01/10/2006 |
