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| Number | Title | Issue Date |
| 8140035 | Amplifier providing power recovery from a narrow-band antenna A method, amplifier and system are provided for enabling power recovery from a narrow-band antenna when a signal having bandwidth exceeding that of the antenna is utilized. The amplifier provides amplification of a source signal to the antenna and recovery of power ... | 03/20/2012 |
| 8103227 | Broadcast receiving system and method for processing broadcast signals A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes a first receiving unit, a second receiving unit, a known sequence detector, a equalizer, and ... | 01/24/2012 |
| 8032097 | Amplitude error de-glitching circuit and method of operating A power amplifier controller circuit controls a power amplifier based upon an amplitude correction signal indicating the amplitude difference between the amplitude of the input signal and an attenuated amplitude of the output signal. The power amplifier controller c... | 10/04/2011 |
| 8000665 | Systems and methods for adjusting headroom of a power amplifier Systems and methods are provided for controlling headroom of an amplifier (e.g., in a transmitter). A method comprises obtaining a target output power for a current interval and obtaining a target headroom for a subsequent interval. The method continues by adjusting... | 08/16/2011 |
| 7949317 | Momentary burst protocol for wireless communication A method for communicating data using a “burst protocol” includes enabling power to transmitters and receivers when needed to balance power consumption with latency and unscheduled communication. A transmitter transmits a plurality of packets indicative of subst... | 05/24/2011 |
| 7941110 | RF circuit with control unit to reduce signal power under appropriate conditions A disclosed RF circuit includes a power amplifier that produces an RF output signal, a detector to generate a detector signal indicative of a power of the RF output signal, and an offset unit to produce an offset signal that indicates low supply voltage conditions. ... | 05/10/2011 |
| 7933571 | Method and apparatus for selecting a communication mode based on energy sources in a hybrid power supply A method and apparatus that transmits data transmission in a wireless communication device having a power supply that includes a plurality of power sources is disclosed. The method may include determining an amount of data to be transferred, determining at least one... | 04/26/2011 |
| 7912432 | Output power detection circuit with threshold limiting characteristics An output power detection circuit including a detection circuit is disclosed. The output power detection circuit further includes a summing network, wherein a first voltage input of the summing network is capable of receiving a voltage that is proportional with a cu... | 03/22/2011 |
| 7894783 | Method of power management in a data replication process deployed in a wireless device A wireless information device automatically replicates data held on the device to a remote server over a wireless network. An application on the device (a) automatically determines the battery level of the device; ... | 02/22/2011 |
| 7860469 | Sleep optimization for mobile devices in a wireless network Briefly, in accordance with one or more embodiments, a subscriber station in sleep mode is capable of sending and/or receiving traffic during sleep mode without violating the delay requirements of best effort traffic. Moreover, a subscriber station is capable of rem... | 12/28/2010 |
| 7848718 | Method apparatus comprising integrated circuit and method of powering down such circuit The present invention relates to a mobile apparatus comprising an integrated circuit to operate predefined functions, which integrated circuit is susceptible to be set in a standby operating mode wherein which said circuit can resume operation within a predefined de... | 12/07/2010 |
| 7835710 | Variable power adaptive transmitter A circuit comprises a delay module that receives a digital transmit signal and that generates a delayed transmit signal. A first digital to analog converter converts the delayed transmit signal to an analog transmit signal. An analog output circuit amplifies the ana... | 11/16/2010 |
| 7734264 | System frame number (SFN) evaluator An access terminal (102) reacquires a system frame number (SFN) when a difference between a continuous counter elapsed time (220) and a calculated elapsed time (222) exceeds a threshold. The continuous counter elapsed time (220) is genera... | 06/08/2010 |
| 7702303 | Power management in a WLAN infrastructure A wireless local area network includes multiple access points with overlapping coverage, and modes of different power consumption are available to the access points. It is assessed whether the traffic load of the network may be adequately supported using fewer acces... | 04/20/2010 |
| 7636556 | Digital transmission circuit and method providing selectable power consumption via multiple weighted driver slices A digital transmission circuit and method providing selectable power consumption via multiple weighted driver slices improves the flexibility of an interface while reducing power consumption when possible. A cascaded series of driver stages is provided by a set of p... | 12/22/2009 |
| 7603090 | Circuit for contractless device having active and passive send modes In a circuit (2) for a communication partner appliance (1) designed for contactless communication having two activatable send modes (ABM, PBM), which send modes (ABM, PBM) differ from one another with regard to their energy requirement, a determination... | 10/13/2009 |
| 7587181 | Method and system for a control scheme on power and common-mode voltage reduction for a transmitter Provided is a method and system for controlling current characteristics in a transceiver having a transmitter. The transmitter includes a plurality of current cells. Each cell is configurable for operating in different modes. The method includes determining a first ... | 09/08/2009 |
| 7577409 | Load-based voltage control wireless transmission system A wireless transmission system with its voltage controllable depending on the load by increasing or decreasing the wireless transmission system related circuit drive voltage and selecting a drive voltage of the wireless transmission system related circuit to improve... | 08/18/2009 |
| 7529528 | Power consumption controlling apparatus for high frequency amplifier A power consumption controlling apparatus controls power consumption of a high frequency amplifier to reduce the power consumption by adjusting a power supply voltage and a bias voltage of the high frequency amplifier which amplifies a high frequency transmitting si... | 05/05/2009 |
| 7450917 | Power saving transmitter of mobile communication terminal A transmitter of a mobile communication terminal including a transmission signal processor for receiving a data signal to be transmitted, modulating the data signal into a radio signal, and outputting the radio signal. A local oscillator device provides the transmis... | 11/11/2008 |
| 7437175 | Synchronization detection methods and apparatus Methods and apparatus for determining when uplink synchronization has been achieved when entering or adding a link in soft handover to a new node in a communication system. Transmit power control (TPC) commands from the new link are not included in a TPC command com... | 10/14/2008 |
| 7432955 | Portable communication terminal with camera and a method of controlling the same A portable communication terminal with a camera carries out an intermittent reception operation during standby reception in order to reduce power consumption. The portable communication terminal stops an operation clock (16) for a camera (8) right befo... | 10/07/2008 |
| 7421257 | Receiver scheduling in ad hoc wireless networks A wireless network (100) includes a communications node (120) configured to periodically generate and transmit at least one reception definition. Each reception definition indicates a time and manner in which the node will operate to receive informatio... | 09/02/2008 |
| 7421254 | High 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 baseban... | 09/02/2008 |
| 7421291 | Method for selective power management for a hand held host A hand held radio host includes circuitry for selectively providing power to radiating transceiver elements and non-radiating application elements according to a plurality of power modes of operation to achieve desired effects and in a way that saves power and exten... | 09/02/2008 |
| 7412216 | Radio transmitter A radio transmitter includes a transmitter circuit which produces a signal at a first frequency, and has digital divider circuitry, for dividing the first frequency to produce a signal at a second frequency. The noise performance of the digital divider is adjusted, ... | 08/12/2008 |
| 7412265 | Method and system for power-saving in a wireless local area network A method and system for power saving in a wireless LAN is disclosed, which uses the method of modifying the beacon frame body or broadcasting the schedule information frame. The medium access behavior of each station during the contention free period (CFP) and the c... | 08/12/2008 |
| 7408506 | Method and apparatus for conserving power on a mobile device through motion awareness An apparatus and method for conserving power on a mobile device through motion awareness. The method includes a motion model that receives location information from one or more receivers and an accelerometer. The motion model determines whether the mobile device is ... | 08/05/2008 |
| 7395038 | High-efficiency modulating RF amplifier The present invention, generally speaking, provides for high-efficiency power control of a high-efficiency (e.g., hard-limiting or switch-mode) power amplifier in such a manner as to achieve a desired modulation. In one embodiment, the spread between a maximum frequ... | 07/01/2008 |
| 7392068 | Alternative wirefree mobile device power supply method and system with free positioning The invention provides a power delivery system for a mobile device. The power delivery system includes a contactor device and a plurality of first electrical contacts on the contactor device disposed in an interspersed arrangement wherein first electrical contacts o... | 06/24/2008 |
| 7389089 | Methods to remotely control a wireless unit Methods for remote control of a wireless unit such as remote power-on and remote power-off. An authorized user may send a power-on communication to a remote wireless unit. The power-on communication may be sent by way of an activation system. The wireless unit may b... | 06/17/2008 |
| 7383057 | Cyclic transmit power adjustment scheme The present invention provides cyclic power changing patterns for transmissions in different sectors of a cellular system. The cyclic power changing patterns define unique patterns in which transmission power levels change over a period of time slots or within a gro... | 06/03/2008 |
| 7369815 | Power collapse for a wireless terminal An integrated circuit for a modem processor includes processing units that are partitioned into “always-on” and “collapsible” power domains. An always-on power domain is powered on at all times. A collapsible power domain can be powered off if the processing... | 05/06/2008 |
| 7356360 | Radio communication system The present invention provides a radio communication system in which not only a communication unit operating in a slave mode but also a communication unit operating in a master mode can be changed into a power saving mode. Among a plurality of communication u... | 04/08/2008 |
| 7356321 | Radio frequency tuner A radio frequency tuner is provided for selecting channels from a cable distribution network or other reception system. The tuner has one or more stages whose performance, such as signal to noise plus intermodulation, and gain are functions of the stage power consum... | 04/08/2008 |
| 7356316 | Wireless communication system A sleep length calculation unit 410 of a terminal calculates a sleep length based on what is contained in a PLCP header of a frame, and sets the calculated length on a timer 430. An address detection unit 420 of the terminal detects a destinatio... | 04/08/2008 |
| 7353007 | Digital transmission circuit and method providing selectable power consumption via multiple weighted drive slices A digital transmission circuit and method providing selectable power consumption via multiple weighted driver slices improves the flexibility of an interface while reducing transmitter power consumption, area and complexity when possible. A cascaded series of driver... | 04/01/2008 |
| 7349678 | Circuit arrangement for transmitting and receiving radio signals simultaneously A circuit arrangement for transmitting and receiving radio signals includes an amplification device with an output for transmitting signals, an input for receiving signals and a supply line, and an antenna for transmitting and receiving signals. The antenna is conne... | 03/25/2008 |
| 7349712 | Communications system with transmitting power control and method for the same One power control means 14 controls a transmitting power according to a control command to a mobile terminal which accesses one task when radio communication is performed with the mobile terminals in the corresponding sector, and a power control unit 15 | 03/25/2008 |
| 7343175 | Peak current control in wireless network interface devices Methods of and apparatuses for varying and controlling the effective series resistance (ESR) of a power supply rail configured to transmit power from a power supply of a host device to a wireless network interface device (e.g. a wireless modem). Varying and controll... | 03/11/2008 |
