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Arya Reza Behzad, Poway US

Arya Reza Behzad, Poway, CA US

Patent application numberDescriptionPublished
20080225971MULTIPLE BAND MULTIPLE INPUT MULTIPLE OUTPUT TRANSCEIVER - A MIMO transceiver integrated circuit (IC) includes a plurality of multiple band direct conversion transmitter sections, a plurality of multiple band direct conversion receiver sections, and a local oscillation generation module. Each of the plurality of multiple band direct conversion transmitter sections includes a transmit baseband module and a multiple frequency band transmission module. Each of the plurality of multiple band direct conversion receiver sections includes a multiple frequency band reception module and a receiver baseband module. The local oscillation generation module is operably coupled to generate the first frequency band local oscillation when the multiple band MIMO transceiver IC is in a first mode and operably coupled to generate the second frequency band local oscillation when the multiple band MIMO transceiver IC is in a second mode.09-18-2008
20080240210GAIN INSENSITIVE HIGH-PASS VGA - An integrated circuit radio transceiver and method therefor includes a high-pass variable gain amplifier (HPVGA) operably disposed within one of the transmitter and the receiver front ends operable to provide a linear variable gain and a substantially constant high-pass frequency corner that does not vary with changes in gain level settings. The HPVGA includes an amplifier operably disposed to receive an input signal and to produce an amplified output based upon the input signal, an adjustable resistance block operable to adjust resistance based upon a gain control input and corner drift compensation block operably disposed to provide corner frequency compensation at the input terminal of the amplifier that is further coupled to receive the input signal from the adjustable resistance block.10-02-2008
20080267319DIRECT CONVERSION RF TRANSCEIVER FOR WIRELESS COMMUNICATIONS - A single chip radio transceiver includes circuitry that enables received wideband RF signals to be down converted to base band frequencies and base band signals to be up converted to wideband RF signals prior to transmission without requiring conversion to an intermediate frequency. The circuitry includes a low noise amplifier, automatic frequency control circuitry for aligning the LO frequency with the frequency of the received RF signals, signal power measuring circuitry for measuring the signal to signal and power ratio and for adjusting frontal and rear amplification stages accordingly, and finally, filtering circuitry to filter high and low frequency interfering signals including DC offset.10-30-2008
20080299913ON CHIP MOS TRANSMIT / RECEIVE SWITCH - On-chip MOS circuitry couples a communication path between an output stage amplifier and an output port and disables a circuit path between an input amplifier and the output port by creating a high impedance circuit during transmit operations. Alternatively, the circuitry opens the transmit circuit path with an isolated MOSFET and enables the second circuit path by creating an impedance matched circuit. The switch is formed within an isolated region to allow it to float with a signal to avoid breakdown. This floating MOS switch can be used for a variety of other applications in addition to its use as a transmit/receive switch even though formed on the same die as the communication circuitry.12-04-2008
20080304435LOCAL OSCILLATION ROUTING PLAN APPLICABLE TO A MULTIPLE RF BAND RF MIMO TRANSCEIVER - Local oscillation circuitry for use in an RF transceiver Integrated Circuit (IC) includes local oscillation generation circuitry operable to produce a local oscillation and local oscillation distribution circuitry. The local oscillation distribution circuitry includes a splitting circuit, a first distribution portion, and a second distribution portion. The splitting circuit receives the local oscillation and produces multiple copies of the local oscillation. The first distribution portion produces a first local oscillation corresponding to a first RF band and a second local oscillation corresponding to a second RF band based and to provide the first local oscillation and the second local oscillation to a first RF transceiver group. The second distribution portion produces a first local oscillation and a second local oscillation and provides the first local oscillation and the second local oscillation to the second RF transceiver group.12-11-2008
20080310487Single-chip wireless tranceiver - Embodiments of a wireless transceiver are provided. Embodiments can be used in multiple-input-multiple-output (MIMO) wireless transceivers. In an embodiment, radio control signal bundles are provided as direct parallel interconnects between digital signal processing modules and the radio module of the wireless transceiver to enable a precise low-latency control of radio functions. In another embodiment, a separate physical line is provided to control each radio setting of the radio module, thereby enabling simultaneous real-time control of any number of radio settings. In a further embodiment, the various digital and analog components of the wireless transceiver are integrated within a single chip of the same process technology.12-18-2008
20090081965CONFIGURABLE ANTENNA STRUCTURE AND APPLICATIONS THEREOF - A configurable antenna structure includes a plurality of switches, a plurality of antenna components, and a configuration module. The configuration module is operable to configure the plurality of switches and the plurality of antenna components into a first antenna for receiving a MFBMS signal. The configuration module continues processing by identify a signal component of interest of a plurality of signal components of interest within the MFBMS signal. The configuration module continues processing by configuring the plurality of switches and the plurality of antenna components into a second antenna.03-26-2009
20090124219High linearity, high efficiency power amplifier with DSP assisted linearity optimization - A communications transceiver includes a baseband processor, a receiver section, and a transmitter section that includes a power amplifier. The receiver and transmitter sections communicatively couple to the baseband processor. In a calibration operation, the baseband processor produces a test signal to the transmitter section. Further, the baseband processor causes each of a plurality of power amplifier bias settings to be applied to the power amplifier. For each of the plurality of power amplifier bias settings, the power amplifier produces an amplified test signal, the receiver section couples back a portion of the amplified test signal to the baseband processor, and the baseband processor produces a characterization of the amplified test signal respective. Based upon a plurality of characterizations of the amplified test signal and respective power amplifier bias settings, the baseband processor determines power amplifier bias control settings. The baseband processor then applies the power amplifier bias control settings to the power amplifier.05-14-2009
20090135536OVER-CURRENT PROTECTION IN LINEAR REGULATORS - An integrated circuit radio transceiver and method therefor includes a linear regulator an output transistor for producing a current into an output node of the regulator wherein an amplification block is operable to produce a bias signal to a gate terminal of the output transistor to operably bias the output transistor to produce the current into the output node of the regulator. A current steering amplification block is operably disposed to steer current in/out of the gate of the output transistor (depending on device type) based upon the current being conducted through the output node of the regulator exceeding a specified threshold. The current steering amplification block further includes a current sinking element operably disposed to sink a specified amount of current to define the specified threshold.05-28-2009
20090207896CONFIGURABLE LOAD IMPEDANCE FOR POWER AMPLIFIER PREDISTORTION CALIBRATION - An integrated circuit radio transceiver and method therefor includes an integrated circuit radio transceiver operable to provide specified gain levels and transmit path filter responses to correspond with a selected power spectral density mask. Changes in gain may be provided solely digital gain changes or may include analog gain module gain changes. A transmitter selects from one of at least three masks to reduce or eliminate spectral regrowth out of band to satisfy EVM requirements. Circuitry is provided to allow a transceiver to determine in advance what pre-distortion compensation settings are required for the various gain settings.08-20-2009
20090207935TRANSMITTER PRE-DISTORTION ACROSS WIDE TRANSMIT POWER DYNAMIC RANGE - An integrated circuit radio transceiver and method therefor includes an integrated circuit radio transceiver operable to provide pre-distortion settings that correspond to specified analog transmit path gain levels. Further, a change in gain is provided solely through digital gain when the new gain is within a specified range. If the gain change is not within the specified range, the gain is provided by a new transmit path gain module and, if necessary, with additional digital gain. Additionally, a new pre-distortion setting is applied to correspond to the new analog transmit path gain setting.08-20-2009
20090207936REAL AND COMPLEX SPECTRAL SHAPING FOR SPECTRAL MASKS IMPROVEMENTS - An integrated circuit radio transceiver and method therefor includes an integrated circuit radio transceiver operable to provide specified gain levels and transmit path filter responses to correspond with a selected power spectral density mask. Changes in gain may be provided solely digital gain changes or may include analog gain module gain changes. A transmitter selects from one of at least three masks to reduce or eliminate spectral regrowth out of band to satisfy EVM requirements. Non-symmetric masks may also be selected for special circumstances to prevent out of band spectral regrowth. Additionally, pre-distortion settings are applied to in-band frequencies to correspond to the selected PSD mask.08-20-2009
20090230509FINGER CAPACITOR STRUCTURES - A capacitive structure formed in an Integrated Circuit (IC) includes a plurality of capacitor node conductor pairs, each including a first node conductor having a base portion and a plurality of finger portions and a second node conductor having a base portion and a plurality of finger portions that are inter digitized with the plurality of finger portions of the first node conductor. Dielectric is horizontally disposed between the first node conductor and the second node conductor. At least one dielectric layer vertically separates adjacent metal layers, each dielectric layer including dielectric disposed between the adjacent metal layers, a plurality of first node vias vertically connecting finger portions of first node conductors of the adjacent metal layers, and a plurality of second node vias vertically connecting finger portions of the second node conductors of the adjacent metal layers. The plurality of first node vias and plurality of second node vias have staggered spacing to preclude laterally adjacent first node vias and second node vias.09-17-2009
20090325507BASEBAND / RFIC INTERFACE FOR HIGH THROUGHPUT MIMO COMMUNICATIONS - Analog signal paths are utilized between a baseband processor and a radio front end to support high throughput communications for a multiple in multiple out radio transceiver that support communications over two or more antennas. Specifically, analog differential I and Q path communication signals are exchanged between a radio front end core and a baseband processor to maximize throughput capacity for high data rate signals. Along the same lines, the impedances of traces and the interface are matched to reduce I/Q imbalance.12-31-2009
20100009639Radio frequency unit analog level detector and feedback control system - A Radio Frequency (RF) transceiver includes a baseband processor, a receiver section, and a transmitter section. The receiver section communicatively couples to the baseband processor and includes a plurality of tuned RF circuits. The transmitter section communicatively couples to the baseband processor and includes a plurality of tuned RF circuits. In a calibration operation, the transmitter section applies a RF test signal to its plurality of tuned RF circuits. The baseband processor applies a plurality of tuning control settings to each the tuned RF circuit. The baseband processor, for each of the plurality of tuning control settings, measures an output of the tuned RF circuit. The baseband processor selects a tuning control setting for the tuned RF circuit based upon at least one measured output of the tuned RF circuit. Finally, the baseband processor is operable to apply a selected tuning control setting to the tuned RF circuit.01-14-2010
20100016004Cross-core calibration in a multi-radio system - A Radio Frequency (RF) transceiver includes a first RF transceiver group, a second RF transceiver group, local oscillation circuitry, and calibration control circuitry. Each of the RF transceiver group has an RF transmitter and an RF receiver. The local oscillation circuitry selectively produces a local oscillation to the first RF transceiver group and to the second RF transceiver group. The calibration control circuitry is operable to initiate calibration operations including transmitter self calibration operations, first loopback calibration operations, and second loopback calibration operations. During loopback calibration operations, test signals produced by an RF transceiver group are looped back to an RF receiver of another RF transceiver group.01-21-2010
20100110910MULTISERVICE COMMUNICATION DEVICE WITH DEDICATED ENVIRONMENTAL MONITORING - A multiservice communication device includes a plurality of transceivers that wirelessly transceive data with a corresponding plurality of networks in accordance with a corresponding plurality of network protocols. An environmental monitoring receiver processes received RF signals over a broadband spectrum and that generates environmental data in response thereto. A processing module processes the environmental data and generates a least one control signal in response thereto, the at least one control signal for adapting at least one of the plurality of transceivers based on the environmental data. In an embodiment of the present invention, the environmental monitoring receiver can be implemented via one of the plurality of transceivers when operating in an environmental monitoring mode.05-06-2010
20100110941MANAGEMENT UNIT NETWORK FOR COLLABORATIVELY MANAGING A PLURALITY OF MULTISERVICE COMMUNICATION DEVICES - A management unit includes a communication device interface for facilitating a bidirectional data communication with multiservice communication devices via a wireless control channel, the bidirectional data communication including outbound control data sent to at least one of the multiservice communication devices and inbound control data received from at least one of the multiservice communication devices. At least one of the multiservice communication devices includes a collaboration module. A network interface receives network resource data from a plurality of networks. A management processing unit processes the inbound control data and the network resource data and that generates the outbound control data in response thereto to collaboratively establish at least one device setting of at least one of the multiservice communication devices via the collaboration module. The wireless control channel may be separate from the communication between the multiservice communication devices and the networks or embedded in network communications.05-06-2010
20100110977MANAGEMENT UNIT NETWORK FOR MANAGING A PLURALITY OF MULTISERVICE COMMUNICATION DEVICES - A management unit network manages a plurality of multiservice communication devices capable of communicating via a plurality of networks. The management unit includes a plurality of local management units, each of the plurality of local management units engaging in bidirectional data communication with at least one of the plurality of multiservice communication devices via a wireless control channel, the bidirectional data communication including outbound control data sent to the at least one of the plurality of multiservice communication devices and inbound control data received from at least one of the plurality of multiservice communication devices. A first regional management unit processes the inbound data to produce the outbound data and for sending the outbound data to the at least one of the plurality of local management units and on to the multiservice communication devices.05-06-2010
20100110997MULTISERVICE COMMUNICATION DEVICE WITH COGNITIVE RADIO TRANSCEIVER - A multiservice communication device includes a plurality of transceivers that wirelessly transceive network data with a corresponding plurality of networks in accordance with a corresponding plurality of network protocols, wherein the plurality of transceivers includes at least one cognitive radio transceiver that is configured based on cognitive transceiver configuration data received from a management unit in communication with the multiservice communication device via a control channel.05-06-2010
20100110998SERVICE AGGREGATOR FOR ALLOCATING RESOURCES TO A PLURALITY OF MULTISERVICE COMMUNICATION DEVICES - A service aggregator allocates network resources to a plurality of multiservice communication devices capable of communicating via a plurality of networks. The service aggregator includes a communication device interface for facilitating a bidirectional data communication with the plurality of multiservice communication devices via a wireless control channel, the bidirectional data communication including outbound control data sent to at least one of the plurality of multiservice communication devices and inbound control data received from at least one of the plurality of multiservice communication devices, wherein the wireless control channel is separate from the communication between the plurality of multiservice communication devices and the plurality of networks. A network interface receives network resource data from the plurality of networks. A management processing unit processes the inbound control data and the network resource data and that generates the outbound control data in response thereto, wherein the inbound control data includes at least one transaction request and the service aggregator allocates at least one resource of at least one of the plurality of networks based on the inbound control data and the network resource data.05-06-2010
20100111033MULTISERVICE COMMUNICATION DEVICE WITH DEDICATED CONTROL CHANNEL - A multiservice communication device includes a plurality of transceivers that wirelessly transceive data with a corresponding plurality of networks in accordance with a corresponding plurality of network protocols. A control channel transceiver transceives control channel data with a remote management unit including local control data sent to the management unit and remote control data received from the management unit. A processing module processes the remote control data and generates a least one control signal in response thereto, the at least one control signal for adapting at least one of the plurality of transceivers based on the remote control data.05-06-2010
20100111034MANAGEMENT UNIT FOR FACILITATING INTER-NETWORK HAND-OFF FOR A MULTISERVICE COMMUNICATION DEVICE - A management unit allocates network resources to a plurality of multiservice communication devices capable of communicating via a plurality of networks. The management unit includes a communication device interface for facilitating a bidirectional data communication with the plurality of multiservice communication devices via a wireless control channel, the bidirectional data communication including outbound control data sent to at least one of the plurality of multiservice communication devices and inbound control data received from at least one of the plurality of multiservice communication devices, wherein the wireless control channel is separate from the communication between the plurality of multiservice communication devices and the plurality of networks. A network interface receives network resource data from the plurality of networks. A management processing unit generates the outbound control data in response thereto, wherein the management processing unit facilities the handoff of a real-time service accessed by the at least one of the plurality of multiservice communication devices via a first network of the plurality of networks to a second network of the plurality of networks.05-06-2010
20100111051MANAGEMENT UNIT FOR MANAGING A PLURALITY OF MULTISERVICE COMMUNICATION DEVICES - A management unit manages a plurality of multiservice communication devices capable of communicating via a plurality of networks. The management unit includes a communication device interface for facilitating a bidirectional data communication with the plurality of multiservice communication devices via a wireless control channel, the bidirectional data communication including outbound control data sent to at least one of the plurality of multiservice communication devices and inbound control data received from at least one of the plurality of multiservice communication devices. A network interface receives network resource data from the plurality of networks. A management processing unit processes the inbound control data and the network resource data and that generates the outbound control data in response thereto.05-06-2010
20100111052MANAGEMENT UNIT WITH LOCAL AGENT - A management unit manages a plurality of multiservice communication devices capable of communicating via a plurality of networks. The management unit includes a device interface for facilitating a bidirectional data communication with the plurality of multiservice communication devices via a wireless control channel, the bidirectional data communication including outbound control data sent to at least one of the plurality of multiservice communication devices and inbound control data received from at least one of the plurality of multiservice communication devices via either a logical or physical control channel. A network interface receives network resource data from the plurality of networks. A management processing unit includes a local agent that gathers environmental data, wherein the management processing unit processes the inbound control data, the environmental data and the network resource data and that generates the outbound control data in response thereto.05-06-2010
20100113088MULTISERVICE COMMUNICATION DEVICE WITH LOGICAL CONTROL CHANNEL - A multiservice communication device includes a plurality of transceivers that wirelessly transceive network data with a corresponding plurality of networks in accordance with a corresponding plurality of network protocols, wherein at least one of the plurality of transceivers further transceives control channel data with a remote management unit contemporaneously with the network data via a logical control channel carried using the corresponding one of the plurality of network protocols, wherein the control channel data includes local control data sent to the management unit and remote control data received from the management unit. A processing module processes the remote control data and generates a least one control signal in response thereto, the at least one control signal for adapting at least one of the plurality of transceivers based on the remote control data.05-06-2010
20100142508MULTIPLE FREQUENCY BAND MULTIPLE STANDARD DEVICE WITH REDUCED BLOCKER - A device includes a transcevier and a processing module. The transceiver is operable to receive a wireless communication request from a requesting wireless communication device and to convert the wireless communication request into a baseband or near baseband request signal. The processing module is operable to determine multiple frequency band multiple standard (MFBMS) capabilities of the requesting and the target wireless communication devices based on the baseband or near baseband request signal. When the devices have at least two frequency band standards in common, the processing module allocates a communication resource of one of the two frequency band standards for a first communication path from the requesting wireless communication device to the target wireless communication device and allocates a communication resource of another one of the two frequency band standards for a second communication path from the target wireless communication device to the requesting wireless communication device.06-10-2010
20100144285EXTENDED ANTENNA MODULE AND APPLICATIONS THEREOF - An extended antenna module includes an antenna section and an extended wireless interface. The antenna section is operable to receive an inbound radio frequency (RF) signal when an antenna select signal is in a first state and/or transmit an outbound RF signal when the antenna select signal is in the first state. The extended wireless interface is operable to wirelessly receive the outbound RF signal from a unit wireless interface when the antenna select signal is in the first state and wirelessly transmit the inbound RF signal to the unit wireless interface when the antenna select signal is in the first state.06-10-2010
20100144288MULTIPLE FREQUENCY BAND MULTIPLE STANDARD TRANSCEIVER - A transceiver includes a receiver section and a transmitter section. The receiver section converts an inbound Multiple Frequency Bands Multiple Standards (MFBMS) signal into a down converted signal, wherein the inbound MFBMS signal includes a desired signal component and an undesired signal component. In addition, the receiver section determines spectral positioning of the undesired signal component with respect to the desired signal component and adjusts at least one of the MFBMS signal and the down converted signal based on the spectral positioning to substantially reduce adverse affects of the undesired signal component on the desired signal component to produce an adjusted signal. The transmitter section converts an outbound symbol stream into an outbound MFBMS signal.06-10-2010
20100181642WAFER-LEVEL FLIP CHIP PACKAGE WITH RF PASSIVE ELEMENT/ PACKAGE SIGNAL CONNECTION OVERLAY - A packaged integrated circuit includes an integrated circuit having a Radio Frequency (RF) passive element formed therein and a wafer level chip scale flip chip package that contains the integrated circuit. The wafer level chip scale flip chip package includes at least one dielectric layer isolating a top metal layer of the integrated circuit and a package signal connection upon the at least one dielectric layer, wherein the package signal connection partially overlays the RF passive element with respect to a surface of the integrated circuit. The RF passive element may be an inductor, a transformer, a capacitor, a transistor, or another passive element. The package signal connection may be a conductive ball, a conductive bump, a conductive pad, or a conductive spring, for example. A conductive structure may reside upon the at least one dielectric layer to provide shielding to the RF passive element and may include a plurality of conductive elements or a mesh.07-22-2010
20100210222Analog received signal strength indication in an RF transceiver - An integrated circuit radio transceiver and method therefor comprises a receiver front end that further includes a plurality of in-phase and quadrature phase receive processing block operable at first and second frequency bands wherein each of the receive processing blocks defines an ingoing signal path and further includes a plurality of filtering and amplification blocks disposed within the corresponding ingoing signal path, a plurality of RSSI blocks coupled to receive an ingoing analog signal from a corresponding plurality of nodes disposed throughout the ingoing signal path, each of the plurality of received signal strength indicator blocks producing a signal strength indication, and wherein a baseband processor is operable to receive a selected signal strength indication and to produce at least one gain setting to at least one amplification block within the in-phase or quadrature phase receive processing blocks. In operation, the baseband processor receive a signal strength indication from each RSSI block to determine a total amount of gain and appropriate gain distribution within the receive signal path.08-19-2010
20100222011GAIN CONTROL IN A MULTIPLE RF TRANSCEIVER INTEGRATED CIRCUIT - A radio frequency (RF) transceiver integrated circuit (IC) includes a plurality of baseband Tx sections, a plurality of RF Tx sections, a plurality of RF Rx sections, and a plurality of baseband Rx sections. The RF transceiver IC further includes a static digital interface, a dynamic digital interface, and gain control, distribution, and buffering circuitry. Static digital interfaces are operable to receive static gain control commands from a coupled baseband processor. The dynamic digital interface is also operable to receive dynamic gain control commands from the coupled baseband processor. The gain control, distribution, and buffering circuitry is operable to apply the static gain control commands and dynamic gain control commands to at least some of the plurality of baseband Tx sections, the plurality of RF Tx sections, the plurality of RF Rx sections, and the plurality of baseband Rx sections.09-02-2010
20100248670DIRECT CONVERSION RF TRANSCEIVER FOR WIRELESS COMMUNICATION - A single chip radio transceiver includes circuitry that enables received wideband RF signals to be down converted to base band frequencies and base band signals to be up converted to wideband RF signals prior to transmission without requiring conversion to an intermediate frequency. The circuitry includes a low noise amplifier, automatic frequency control circuitry for aligning the LO frequency with the frequency of the received RF signals, signal power measuring circuitry for measuring the signal to signal and power ratio and for adjusting frontal and rear amplification stages accordingly, and finally, filtering circuitry to filter high and low frequency interfering signals including DC offset.09-30-2010
20100261435MULTIPLE FREQUENCY BAND INFORMATION SIGNAL FREQUENCY BAND COMPRESSION - A wireless device includes processing circuitry and a Radio Frequency (RF) receiver section. The processing circuitry determines a set of information signals for receipt that are carried by a RF Multiple Frequency Bands Multiple Standards (MFBMS) signal having a plurality of information signal frequency bands with first frequency band separation. The RF receiver section, for each information signal of the set of information signals, down-converts the RF MFBMS signal by a respective shift frequency to produce a respective baseband/low Intermediate Frequency (BB/IF) information signal and band pass filter the respective BB/IF information signal. The RF receiver section combines the BB/IF information signals corresponding to the set of information signals to form a BB/IF MFBMS signal having second frequency band separation of the information signals that differs from the first frequency band separation(s). The processing circuitry extracts data from the first and second information signals of the BB/IF MFBMS signal.10-14-2010
20100261437MULTIPLE FREQUENCY BAND INFORMATION SIGNAL UNIVERSAL FRONT END - A wireless device includes processing circuitry, a receiver section, a transmitter section, and an antenna. The processing circuitry determines a set of information signals of a RF Multiple Frequency Bands Multiple Standards (MFBMS) signal. The receiver section includes a plurality of receive paths, each having down-conversion circuitry that down-converts a portion of the RF MFBMS signal by a respective shift frequency to produce a corresponding baseband/low Intermediate Frequency (BB/IF) information signal. A combiner combines the plurality of BB/IF information signals to form a BB/IF MFBMS signal, from which the processing circuitry extracts data. The transmitter section includes a plurality of transmit paths, each having up-conversion circuitry operable to up-convert a respective BB/IF information signal received from the processing circuitry by a respective shift frequency to produce a corresponding RF information signal and a combiner that combines the RF information signals to form a RF MFBMS signal.10-14-2010
20100261438MULTIPLE FREQUENCY BAND INFORMATION SIGNAL UNIVERSAL FRONT END WITH ADJUSTABLE ADC(S) - A wireless device includes processing circuitry, a receiver section, a transmitter section, and an antenna. The processing circuitry determines a set of information signals of a RF Multiple Frequency Bands Multiple Standards (MFBMS) signal. The receiver section down-converts a portion of the RF MFBMS signal by one or more respective shift frequencies to produce a corresponding baseband/low Intermediate Frequency (BB/IF) information signal from which the processing circuitry extracts data. The transmitter section converts a respective BB/IF information signal received from the processing circuitry by a respective shift frequency to produce a corresponding RF information signal and a combiner that combines the RF information signals to form a RF MFBMS signal. The receiver section and the transmitter section include ADCs and/or DACs, respectively, that are adjustable based upon characteristics of the RF MFBMS signal, the BB/IF MFBMS signal, and/or based upon signals carried therein, e.g., modulation type, SNR requirements, etc.10-14-2010
20100261443MULTIPLE FREQUENCY BAND INFORMATION SIGNAL UNIVERSAL FRONT END WITH ADJUSTABLE ANALOG SIGNAL PATH COMPONENTS - A wireless device includes processing circuitry, a receiver section, a transmitter section, and an antenna. The processing circuitry determines a set of information signals of a RF Multiple Frequency Bands Multiple Standards (MFBMS) signal. The receiver section down-converts a portion of the RF MFBMS signal by one or more respective shift frequencies to produce a corresponding baseband/low Intermediate Frequency (BB/IF) information signal from which the processing circuitry extracts data. The transmitter section converts a respective BB/IF information signal received from the processing circuitry by a respective shift frequency to produce a corresponding RF information signal and a combiner that combines the RF information signals to form a RF MFBMS signal. Each of the receiver section and the transmitter section may include analog signal path elements that are adjustable based upon characteristics of the RF MFBMS signal, the BB/IF MFBMS signal, and/or based upon signals carried therein, e.g., modulation type, SNR requirements, etc.10-14-2010
20100261500MULTIPLE FREQUENCY BAND MULTIPLE STANDARD INFORMATION SIGNAL MODULAR BASEBAND PROCESSING MODULE - A wireless device includes processing circuitry and Radio Frequency (RF) receiver and transmitter sections. An antenna transmits and receives a Radio Frequency (RF) Multiple Frequency Bands Multiple Standards (MFBMS) signal having a plurality of RF information signals within respective information signal frequency bands. The receiver/transmitter sections down-convert/up-convert between the RF MFBMS signal and a corresponding baseband/low Intermediate Frequency (BB/IF) information signal based upon at least one shift frequency. During receipt, the processing circuitry enables a set of information signal modules corresponding to the set of information signals to service receipt and extraction of data from the set of BB/IF information signals using the enabled set of information signal modules. During transmission, the processing circuitry enables a set of information signal modules corresponding to the set of information signals and produces an outgoing BB/IF MFBMS signal. The processing circuitry further determines the at least one shift frequency, which varies over time.10-14-2010
20100261501MULTIPLE FREQUENCY BAND INFORMATION SIGNAL FREQUENCY BAND CONVERSION - A wireless device includes processing circuitry and a Radio Frequency (RF) receiver section. The processing circuitry determines a set of information signals for receipt, the set of information signals carried by a RF Multiple Frequency Bands Multiple Standards (MFBMS) signal having a plurality of information signal frequency bands. The processing circuitry determines a shift frequency based upon the determination. the RF receiver section receives the RF MFBMS signal and down-converts the RF MFBMS signal by the shift frequency to produce a baseband/low Intermediate Frequency (BB/IF) MFBMS signal. The processing circuitry then extracts data from the set of information signals of the BB/IF MFBMS signal.10-14-2010
20100271135CMOS RF POWER AMPLIFIER WITH LDMOS BIAS CIRCUIT FOR LARGE SUPPLY VOLTAGES - Bias circuitry that may be used within a communications or other device includes a first current mirror having first and second transistors with sources coupled to ground and operable to receive a reference current at a drain of first transistor. A second current mirror has first and second transistors with drains coupled to a battery voltage supply. A third current mirror has first and second transistors with drains coupled to sources of the first and second transistors of the second current mirror, respectively. A biasing transistor couples between the second transistor of the first current mirror and the first transistor of the third current mirror and operable to receive a tuning input voltage at its gate. A resistive element coupled between the second transistor of the third current mirror and ground produces a bias voltage produced at a connection of the resistive element and the second transistor of the third current mirror.10-28-2010
20100273430PULSED INTERVAL RADIO CALIBRATION - Transmitter calibration of a wireless device is initiated based upon an operational value of the wireless device. The calibration operations are performed over a plurality of calibration time periods, each calibration time period divided into a plurality of first interval portions interspersed with a plurality of second interval portions, for each calibration time period of the plurality of calibration time periods, respective calibration settings are applied. During the first interval portions substantially fixed first current input is applied to at least one gain adjustable element of the RF circuitry. During the second interval portions, varying current input is applied to the at least one gain adjustable element of the RF circuitry. Output levels of the RF circuitry are measured over the calibration time period. Operational calibration settings for the baseband processing circuitry and analog signal path components of the transmitter are selected based upon the calibration operations.10-28-2010
20100273431GAIN INDEX BASED RADIO CALIBRATION - A wireless device includes an antenna, Radio Frequency (RF) circuitry, and baseband processing circuitry. The baseband processing circuitry couples to the RF circuitry and is operable to determine operational calibrations settings that may include pre-distortion characteristics and RF signal path settings, both of which are determined via calibration operations. The calibration operations are initiated when an operational value of the wireless device compares unfavorably to at least one operational threshold. Monitoring circuitry coupled to the RF circuitry and to the baseband processing circuitry monitors operational characteristics of the RF circuitry. Calibration operations may be initiated based upon RF circuitry temperature, supply voltage, PA current, PA gain input level/average, among other triggers.10-28-2010
20100311352Radio frequency unit analog level detector and feedback control system - A Radio Frequency (RF) transceiver includes a baseband processor, a receiver section, and a transmitter section. The receiver section communicatively couples to the baseband processor and includes a plurality of tuned RF circuits. The transmitter section communicatively couples to the baseband processor and includes a plurality of tuned RF circuits. In a calibration operation, the transmitter section applies a RF test signal to its plurality of tuned RF circuits. The baseband processor applies a plurality of tuning control settings to each the tuned RF circuit. The baseband processor, for each of the plurality of tuning control settings, measures an output of the tuned RF circuit. The baseband processor selects a tuning control setting for the tuned RF circuit based upon at least one measured output of the tuned RF circuit. Finally, the baseband processor is operable to apply a selected tuning control setting to the tuned RF circuit.12-09-2010
20100315168CASCODE CMOS RF POWER AMPLIFIER WITH PROGRAMMABLE FEEDBACK CASCODE BIAS UNDER MULTIPLE SUPPLY VOLTAGES - A Radio Frequency (RF) cascode power amplifier operates with differing battery supply voltages. A transconductance stage has a transistor with an RF signal input at its gate. A cascode stage has at least one cascode transistor, the cascode stage coupled in series with the transconductance stage between a battery voltage node and ground, the cascode stage having an RF signal output at the battery voltage node and at least one bias input to the at least one cascode transistor. Cascode bias feedback circuitry applies fixed bias voltage(s) to the at least one two bias inputs for a low battery voltage and applies feedback bias voltage(s) to the at least two bias inputs for a high battery voltage, the feedback bias voltage(s) based upon a voltage of the battery voltage node. More than two differing battery supply voltages are supported.12-16-2010
20100317297ANTENNA IMPEDANCE/POWER AMPLIFIER SOURCE IMPEDANCE MEASUREMENT CIRCUITRY AND DEVICE OPERATION BASED THEREON - A wireless device includes impedance determination and processing circuitry. The impedance determination circuitry determines load impedance at an output of at least one Radio Frequency (RF) power amplifier of the wireless device. The processing circuitry couples to the impedance determination circuitry and alters at least one operating parameter of the wireless device based upon the determined load impedance. Alteration of at least one operating parameter of the wireless device may include altering a gain of at least one transmit path component, altering a gain of at least one receive path component, altering tuning settings of at least one transmit path component, altering tuning settings of at least one receive path component, altering a rail voltage setting, altering baseband processing pre-distortion settings, altering baseband processing receive signal processing operations, altering antenna configuration settings, altering antenna tuning parameters, altering antenna diversity settings, and altering Multi Input Multi Output (MIMO) settings.12-16-2010
20100317300MULTIPLE BAND DIRECT CONVERSION RADIO FREQUENCY TRANSCEIVER INTEGRATED CIRCUIT - A multiple band direct conversion radio frequency (RF) transceiver integrated circuit (IC) includes a multiple band direct conversion transmitter section, a multiple band direct conversion receiver section, and a local oscillation module. The multiple band direct conversion transmitter section includes a transmit baseband module and a multiple frequency band transmission module. The multiple band direct conversion receiver section includes a multiple frequency band reception module and a receiver baseband module. The local oscillation generation module is coupled to generate a first frequency band local oscillation when the multiple band direct conversion RF transceiver IC is in the first mode and coupled to generate a second frequency band local oscillation when the multiple band direct conversion RF transceiver IC is in the second mode.12-16-2010
20110013677CONFIGURABLE TRANSCEIVER INTEGRATED CIRCUIT - A configurable radio frequency (RF) transceiver integrated circuit (IC) includes an RF input/output (IO) module, a plurality of switching modules, and a plurality of components. The RF IO module and selected components of the plurality of components are inter-connected via the at least some of the plurality of switching modules based on a configuration instruction to produce at least one of: at least a portion of a receiver and at least a portion of transmitter.01-20-2011
20110021244TETHERED ANTENNA HAVING SERVICED DEVICE COMMUNICATIONS INTERFACE - An antenna system includes a wired communications interface, an antenna, and antenna system control circuitry. The wired communications interface is operable to couple to a serviced host device and includes a control interface and an antenna interface. The antenna couples to the antenna interface and has configurable antenna characteristics. The antenna system control circuitry couples to the control interface and to the antenna and is operable to communicate the configurable antenna characteristics to the host device and to configure the antenna based upon communication with the host device. In other constructs the antenna may not be configurable and the antenna characteristics communicated are fixed. The antenna system may further include Radio Frequency (RF) transmit circuitry and/or RF transmit circuitry. Such RF transmit circuitry and RF receive circuitry may be configurable or fixed in its operations.01-27-2011
20110022875Integrated Circuit with Interpolation to Avoid Harmonic Interference - An integrated circuit (IC) includes a clock circuit, a processing module, and processing circuitry. The clock circuit is coupled to produce a digital clock signal. The processing module is coupled to determine whether a harmonic component of the digital clock signal having a nominal digital clock rate is within the frequency passband and to provide an indication to the clock circuit to adjust its rate from the nominal digital clock rate to an adjusted digital clock rate when the harmonic component of the digital clock signal is within the frequency passband. The processing circuitry is coupled to process, at the adjusted digital clock rate, the data to produce processed data having a rate corresponding to the nominal digital clock rate and to interpolate, at an interpolation rate, the processed data to produce interpolated processed data having a rate corresponding to the interpolation rate.01-27-2011
20110105052Cross-core calibration in a multi-radio system - A Radio Frequency (RF) transceiver includes a first RF transceiver group, a second RF transceiver group, local oscillation circuitry, and calibration control circuitry. Each of the RF transceiver group has an RF transmitter and an RF receiver. The local oscillation circuitry selectively produces a local oscillation to the first RF transceiver group and to the second RF transceiver group. The calibration control circuitry is operable to initiate calibration operations including transmitter self calibration operations, first loopback calibration operations, and second loopback calibration operations. During loopback calibration operations, test signals produced by an RF transceiver group are looped back to an RF receiver of another RF transceiver group.05-05-2011

Patent applications by Arya Reza Behzad, Poway, CA US