Patent application number | Description | Published |
20080211575 | Loop Gain Equalizer For Rf Power Amplifier - The output power of an RF power amplifier is controlled using a feedback loop including a differential integrator for controlling the amplifier's bias voltage. The gain of integration in the differential integrator is varied so as to compensate for variations in the derivative of the power amplifier output power versus the bias voltage. | 09-04-2008 |
20090270057 | BIAS CIRCUIT FOR A RADIO FREQUENCY POWER-AMPLIFIER AND METHOD THEREFOR - A wireless communication unit comprises a transmitter having a power amplifier biased by a bias circuit and a controller operably coupled to the bias circuit for setting one or more bias levels of the power amplifier. The bias circuit is a single bias circuit and is configured to provide either a current mode bias control of the power amplifier or a voltage mode bias control of the power amplifier in response to a control signal from the controller. In this manner, a single bias control circuit can be used to support applications that benefit from both current mode bias control and voltage mode bias control of the power amplifier. | 10-29-2009 |
20100184389 | WIRELESS COMMUNICATION UNIT, INTEGRATED CIRCUIT AND METHOD FOR BIASING A POWER AMPLIFIER - A wireless communication unit ( | 07-22-2010 |
20110285575 | INTEGRATED CIRCUIT COMPRISING FREQUENCY GENERATION CIRCUITRY FOR CONTROLLING A FREQUENCY SOURCE - An integrated circuit comprises frequency generation circuitry for controlling a frequency source for an automotive radar system. The frequency generation circuitry comprises a Phase Locked Loop (PLL) arranged to generate a control signal for controlling the frequency source, a fractional-N divider located within a feedback loop of the PLL, and frequency pattern control logic operably coupled to the fractional-N divider and arranged to control the fractional-N divider, by way of a frequency control signal, such that the PLL generates a Frequency Modulated Continuous Wave (FMCW) control signal. | 11-24-2011 |
20110298506 | INTEGRATED CIRCUIT COMPRISING FREQUENCY GENERATION CIRCUITRY FOR CONTROLLING A FREQUENCY SOURCE - An integrated circuit comprises frequency generation circuitry for controlling a frequency source for use in an automotive radar system. The frequency generation circuitry comprises low-path modulation circuitry arranged to generate a first, low-path control signal for providing lower frequency modulation of the frequency source, the low-path modulation circuitry comprising a Phase Locked Loop (PLL) arranged to generate the low-path control signal for controlling the frequency source and a fractional-N divider located within a feedback loop of the PLL, and frequency pattern control module operably coupled to the fractional-N divider and arranged to control the fractional-N divider, by way of at least a first, lower frequency pattern control signal. The frequency generation circuitry further comprises high-path modulation circuitry arranged to generate a second, high-path control signal for providing higher frequency modulation of the frequency source. | 12-08-2011 |
20130187719 | PLL SYSTEM AND METHOD FOR CONTROLLING A GAIN OF A VCO CIRCUIT - A phase locked loop system, comprises: a voltage controlled oscillator circuit, comprising a first plurality of switchable varactors for selecting a frequency band of the VCO, that has a gain that changes with frequency band, and a second plurality of switchable varactors for varying the gain in the selected band. The PLL system has a PLL feedback circuit comprising a switching device for switching the feedback circuit to an open loop state wherein a plurality of predefined tuning voltages can be applied to the VCO; a frequency measurement device for measuring the synthesized VCO frequency; and a control unit operable to determine the gain with respect to the synthesized frequency and the tuning voltages. | 07-25-2013 |
20150219753 | CIRCUITRY FOR AND METHOD OF GENERATING A FREQUENCY MODULATED RADAR TRANSMITTER SIGNAL, A RADAR TRANSCEIVER CIRCUIT AND A RADAR SYSTEM - A circuitry for and a method of generating a frequency modulated radar transmitter signal are provided. The circuitry comprises a modulation signal generator for generating a modulation signal having a waveform describing a required frequency modulation of the frequency modulated radar transmitter signal and comprises a PLL circuitry for generating the frequency modulated radar transmitter signal in dependence of the modulation signal. In the PLL circuitry a controllable frequency divider controls the output frequency of the PLL circuitry in dependence of the modulation signal. The PLL circuitry further comprises a phase detector, a controllable oscillator and possibly a low pass filter. The PLL circuitry further comprises a calibration circuitry being configured to control a parameter of at least one of the phase detector and the controllable oscillator to maintain a loop gain of PLL circuitry. | 08-06-2015 |
20150309527 | TEMPERATURE COEFFICIENT FACTOR CIRCUIT, SEMICONDUCTOR DEVICE, AND RADAR DEVICE - A temperature coefficient factor circuit is provided which generates a current which varies with temperature according to a programmable temperature coefficient factor. The temperature coefficient factor circuit comprises a first current source providing a first current with a positive temperature coefficient factor, a second current source providing a second current with a negative temperature coefficient factor, a common terminal, a first programmable amplifying current mirror, a second programmable amplifying current mirror and a current output circuit. The first programmable amplifying current mirror provides in dependence of a control signal ctrl an amplified first current to the common terminal. The second programmable amplifying current mirror conducts away in dependence of the control signal ctrl an amplified second current from the common terminal. The current output circuit provides the output current based on a difference current between the amplified first current and the amplified second current. | 10-29-2015 |
Patent application number | Description | Published |
20090187526 | Systems And Methods For Modeling Consequences Of Events - Methods, systems, and computer program products are provided for decision making under uncertainty. A causality framework is provided to define relationships between an alternative (Ai) of a set of alternatives and at least one performance indicator of a set of performance indicators. A k-concurrent lottery (Li) associated with the alternative (Ai) is conducted, the alternative (Ai) having consequences over k ones of the set of performance indicators. The k-concurrent lottery (Li) is homogenized over the set of performance indicators if the k ones is less than a number of the set of performance indicators. An expected utility of the k-concurrent lottery (Li) for each one of the set of alternatives is computed. One alternative is selected from the set of alternatives, the selection occurring in accordance with a selection criteria based on the expected utility. | 07-23-2009 |
20100036509 | Systems And Methods For Defining Best Practices, Managing Best Practices, And Validating Service Models - Methods, systems, and computer program products are provided for managing best practices in modeling information technology (IT) services. An architecture for validating a service model using a plurality of best practices (PBPs) provides separation of concern between the service model and selection of best practices by enabling an independent selection of the service model and the PBPs. A best practice precedence (BPP) is configured to disambiguate conflicts between the PBPs and select a selected best practice (SBP) from the PBPs. A validation engine validates a compliance or non-compliance of the service model with the SBP. A refined service model is generated by combining selective portions of the SBP with the service model. | 02-11-2010 |
20100036751 | Architecture For Instantiating Information Technology Services - Methods, systems, and computer program products are provided for information technology (IT) services lifecycle management. A services architecture provides a plurality of services that are capable of being ordered. A design service captures declarative specifications of services as service models. A catalog service receives the service model and combines the service models into a plurality of service offerings to provide a catalog of orderable services. An order configuration service receives an order for at least one orderable service selectable from the catalog of orderable services. An order processing service instantiates the at least one orderable service in two phases, thereby generating an instantiated ordered service. An order fulfillment service fulfills the order in accordance with the instantiated ordered service. | 02-11-2010 |
20100037201 | Separation Of Concerns Between Information Technology Services Models - Methods, systems, and computer program products are provided for exchanging information between information technology (IT) services. An architecture provides separation of concern between the models by separating the models for IT services into an operation model and a structural model that are linked by a service model. The service model can be configurable to extend the operation model. Configuration of the operation model includes defining messages exchanged between the IT services. Configuration of the structural model includes capturing a structure of the IT services. The service model has an association with the structural model, the association making the structural model opaque to the operation model. | 02-11-2010 |
20100114621 | System And Methods For Modeling Consequences Of Events - Methods, systems, and computer program products are provided for modeling consequences of events on performance indicators. A causality model is provided to define relationships between events and the consequences associated with each one of the events to modify a value of at least one of the performance indicators associated with each one of the events. An algorithm included in the causality model is executable to compute an impact of the consequences on the value. A causality model management system is provided to manage the causality model, including storing, execution of the algorithm, interfacing with other systems, and simulating what-if scenarios of the events and the performance indicators. | 05-06-2010 |
20110196659 | RECONFIGURING A MODEL - Reconfiguring a model [ | 08-11-2011 |
20120016778 | CONTROLLING CLOUD SERVICES - In a method | 01-19-2012 |
20120016830 | INSTANTIATING AN INFORMATION TECHNOLOGY SERVICE IN LIGHT OF MAINTENANCE REQUIREMENTS - In a method of instantiating an information technology (IT) service in light of maintenance requirements, maintenance window instances are determined. The maintenance instance windows are associated with reusable service instances available in a datacenter. The maintenance window instances are analyzed in conjunction with a service model of said IT service to determine a maintenance efficient binding of a selection of said reusable service instances with which to provide an instance of said IT service. | 01-19-2012 |
20120124565 | LINKING MODEL INSTANCES TO PACKAGES - In a method | 05-17-2012 |
20130132534 | INFORMATION TECHNOLOGY SERVICE MANAGEMENT - A desired instance of a service model is stored, and an observed instance of the service model is provided. Inconsistencies between the desired instance and the observed instance may be detected based on a comparison between the desired instance and the observed instance. | 05-23-2013 |
20130144590 | CONFIGURATION MANAGEMENT - A configuration management method and system include storing a first model definition, storing a first instance of the first model, receiving an operator and modifying the first instance of the first model based on the received operator. The modified first instance of the first model is then stored. | 06-06-2013 |
20150089064 | POLICY-BASED SCALING OF NETWORK RESOURCES - A method of policy-based scaling of network resources comprises, with a processor, creating a dependency data set for a number of application components m a network, setting a number of scaling policies by tier based on the dependency date set, and applying the scaling policies within the network. A cloud management device for policy-based scaling of network resources comprises a processor, and a data storage device communicatively coupled to the processor, in which the processor creates a dependency data set for a number of application components on a network, and sets a number of scaling policies by tier based on the dependency data set. | 03-26-2015 |
20150222702 | MIGRATING APPLICATIONS BETWEEN NETWORKS - A method of migrating a number of applications from a first network to a second network comprises, with a processor, creating a dependency data set for a first network, creating a migration plan to migrate a number of applications from the first network to a second network based on the dependency data set, and migrating a number of applications from the first network to the second network based on the migration plan. A migration device for migrating a number of applications from a first network to a second network, comprises a processor, and a data storage device communicatively coupled to the processor, in which the processor creates a dependency data set for the first network, and migrates a number of applications from the first network to the second network based on the dependency data set. | 08-06-2015 |
20150304234 | NETWORK RESOURCE MANAGEMENT - A method of network resource management comprising, with a processor, creating a model of an application, defining a number of substitution points within the model, expressing the substitution points as abstract models with a set of sub-types, and codifying a number of policies that express which sourcing option to use for each substitution point. | 10-22-2015 |