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8179836 |
Method and apparatus for controlling transmissions via an enhanced dedicated channel
A method and apparatus for controlling transmissions of data via an enhanced dedicated channel (E-DCH) are disclosed. A list of available transport format combinations (TFCs) is generated based on...
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8180306 |
VSWR compensation circuits for RF transmit chain
The present invention provides a method and apparatus for compensating the output of a transmitter stage (50) of a communications system. A communications apparatus has a transmitter stage (50)...
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8175553 |
Wireless communication unit, linearised transmitter circuit and method of linearising therein
A wireless communication unit includes a linearised transmitter having a forward path and a feedback path, respectively comprising at least one up-mixer and down-mixer, and forming two loops in...
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8175658 |
Power apparatus, wireless communication apparatus having the same, and power supplying method thereof
A wireless communication apparatus includes: a wireless communication unit which performs wireless communication; a converter which converts an input voltage into an output voltage in a...
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8175109 |
Beaconless communication system
The present invention relates to an energy efficient mechanism for establishing and maintaining a communication between nodes (A . . . F) in a wireless communication system. In particular, it...
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8175549 |
Closed loop transmitter IQ calibration
A novel and useful apparatus for and method of closed loop IQ calibration for use in a transmitter. The IQ calibration mechanism functions to provide calibration of IQ imbalance in the presence of...
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8175099 |
Embedded system development platform
A modular development platform is described which enables creation of reliable, compact, physically robust and power efficient embedded device prototypes. The platform consists of a base module...
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8175661 |
Device, system, and method of power saving in wireless network
Device, system, and method of power saving in wireless network. For example, a method includes: receiving from a wireless access point a wireless communication signal indicting wireless network...
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8175555 |
Apparatus and method for termination powered differential interface periphery
An apparatus and method for supplying power to the peripheral circuits of a transmitter circuit, especially an HDMI transmitter circuit, is disclosed. In an HDMI transmitter the termination...
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8175556 |
Methods for optimizing power amplifier settings for operation at different radio-frequency bands
Electronic devices such as cellular telephones may include wireless communications circuitry such as power amplifiers. Power amplifiers, transmission lines, and other circuit associated the power...
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8170624 |
Enhanced host sleep for WLAN devices
In a method and apparatus for controlling operation of a wireless device, a host assembly of the wireless device enters into a handshaking procedure with firmware of the wireless device to initiate...
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8170625 |
Bias filtering module including MOS capacitors
A bias filtering module with at least two capacitive levels satisfies both a settle time requirement and a filtering requirement using a voltage dependent filter module whose capacitance is a...
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8170601 |
Signal transmission parameter control using channel sounding
A base station (BTS) may instruct a client station (CS) to transmit sounding signals that the BTS may analyze to determine what adjustments, such as power, time, and/or frequency adjustment(s)...
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8168930 |
Beam power for local receivers
A beam power source transmits a signal indicating power availability, receives a request for power in response, and beams power in response to the request.
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8170599 |
Format based power control
Power control methods and apparatus taught herein advantageously provide quick convergence to the signal quality target needed to achieve a given data error rate target, when changes in transport...
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8165536 |
Wireless communication apparatus and wireless communication system
A wireless communication apparatus includes an M-number of (M is an integer of 2 or more) receiving portions connected to respective antennas, a frame analyzing section configured to analyze a...
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8160519 |
Compensating for variations in the response of a power supply
Apparatus includes an equalizer having a signal input, a control input and an output; a controllable power supply having a control input and an output, the input of the controllable power supply...
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8160518 |
Multi-mode transceiver having tunable harmonic termination circuit and method therefor
A transceiver includes a harmonic termination circuit that receives a tunable harmonic voltage from a power amplifier control. The harmonic termination circuit includes a variable capacitor that is...
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8159364 |
Wireless power transmission system
The wireless power transmission is a system for providing wireless charging and/or primary power to electronic/electrical devices via microwave energy. The microwave energy is focused to a location...
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8160654 |
Power reception control device, power reception device, and electronic instrument
A power reception device utilizing non-contact power transmission causes a PMOS transistor as a switch circuit to be turned ON when a secondary battery is in a heavy-load state to form a path which...
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8160630 |
Method and arrangement for controlling transmission power and a network element
This invention relates to a method and arrangement for controlling transmission power in a mobile communications system, and to a network element. In the method according to the invention a certain...
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8160634 |
Intelligent power control in a wireless network
A method and system is disclosed for intelligent power control in a wireless communication system. In accordance with an example embodiment, a first device will operate in a dynamic-power state in...
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8155604 |
Method and system for power supply adjustment and polar modulation in an RF transmitter
Aspects of a method and system for power supply adjustment for polar modulation of an RF signal are provided. In an RF transmitter, a signal representative of an amplitude of a pair of...
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8155688 |
Method and apparatus for adjusting power control mode in wireless communication system
A method and an apparatus for adjusting power control mode in a wireless communication system is provided. A mode change message is transmitted from a base station (BS) to a user equipment (UE) to...
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8150343 |
Dynamic stability, gain, efficiency and impedance control in a linear/non-linear CMOS power amplifier
A power amplifier (PA) provides dynamic stability and gain control for linear and non-linear operation. The PA operates with a baseband processor and a transmitter, in which the PA receives a...
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8150340 |
Heating control system
A heating control system, monitoring system and predictive maintenance radio sensor system. The heating control system comprises at least one temperature transducer element having a downstream...
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8150339 |
Switchable-level voltage supplies for multimode communications
Switchable voltage level supplies for circuitry in a multi-mode communications chipset are disclosed. In an embodiment, a first voltage level is supplied to TX circuitry operating in a first mode...
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8150475 |
Method for information signal distribution between communication devices based on operating characteristics of a depletable power supply used by one of the devices
A method for managing information signal distribution in a communication system (100) includes transmitting a signal containing information configured according to a first media format from a first...
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8149903 |
Systems and methods for ramping power amplifier output power
A power amplifier circuit including a first transistor, a second transistor, and a power control circuit. The first transistor includes a first input and a first output. The second transistor...
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8150341 |
Apparatus for transmitting a signal below a standard transmit power in a network
A transmitter includes a detection element to determine when a current power requirement of a communication link is less than the standard transmit power. The current power requirement may be...
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8145158 |
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...
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8145149 |
Operating a voltage regulator at a switching frequency selected to reduce spurious signals
Embodiments for at least one method and apparatus of a wireless transceiver are disclosed. For one embodiment, the wireless transceiver includes a transmit chain, wherein the transmit chain...
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8145159 |
Method and apparatus for optimizing output power levels in power amplifiers
Some embodiments discussed relate to an apparatus comprising a power amplifier module. The power amplifier module includes a plurality of sensors, and a first digital communication port configured...
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8145151 |
Hybrid switched mode/linear mode power amplifier control
In one aspect of the exemplary embodiments of this invention a method includes determining, based at least in part on a number of resource blocks to be transmitted, where the resource blocks may be...
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8145157 |
High efficiency modulation
This disclosure is directed to techniques for increasing the power efficiency of a modulator.
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8145251 |
Power control in schedulable wireless communication terminal
A wireless communication entity schedulable in a wireless communication network, including a controller (603) communicably coupled to a power amplifier (608), wherein the controller varies a...
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8140106 |
Peak factor reduction device and base station
The function of comparing power of a signal obtained by multiplying an input signal by an EVM target value and power of a peak suppression signal, and automatically adjusting a peak factor...
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8140027 |
Automatic frequency tuning system and method for an FM-band transmit power amplifier
An automatic frequency tuning system and method for a transmit power amplifier. The transmit power amplifier has an antenna feed line including a series capacitor and is coupled to an output of an...
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8140030 |
Adaptive impedance converter adaptively controls load impedance
A transmitter generates first and second constant-envelope radio frequency (RF) component signals having first and second phase angles. The first and second phases are controlled by a phase...
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8139590 |
Optimized power usage for data networks
A solution for optimized power usage for a data network includes, at a network device coupled to a network, examining traffic usage information of the network and power usage information of a...
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8135363 |
Method and system for an integrated circuit supporting auto-sense of voltage for drive strength adjustment
Certain embodiments of the invention may be found in a method for integrated circuit supporting auto-sense of voltage for drive strength adjustment. The method may comprise detecting an input...
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8135364 |
Method and apparatus for controling output power of communication equipment
Communication equipment includes a circuit generating an RF input signal; a PA receiving a supply voltage, receiving the RF input signal, and providing an amplified version of the RF input signal...
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8135429 |
Transmission power control method, base station, base station control station, and control program thereof
In a transmission power control method for a base station in a communication system including at least a mobile station and at least one base station, the ratio of transmission power approaching a...
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8135444 |
Communication device and method for setting device resources
A communication device including a memory configured to store a plurality of device resource profiles, wherein each device resource profile specifies device resources of the communication device...
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8131234 |
Transmitter utilizing a duty cycle envelope reduction and restoration modulator
A broad power band transmitter utilizing a duty cycle modulator achieves 80dB of power range for 3G signals. The present invention greatly improves the efficiency of transmitters used in mobile...
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8131225 |
BIAS voltage generation circuit for an SOI radio frequency switch
A radio frequency (RF) switch located on a semiconductor-on-insulator (SOI) substrate includes at least one electrically biased region in a bottom semiconductor layer. The RF switch receives an RF...
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8126407 |
Transmitter circuit
A transmitter circuit. One embodiment provides for emitting electromagnetic waves. The circuit has a transmitting device for outputting a transmission signal, an antenna device for emitting the...
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8121655 |
Method and device for improving battery life of a mobile station
A method (150) and device (200) for conserving energy in a power storage device of a mobile station (102, 110), including: selecting (155) an alert mode associated with a mobile station, the alert...
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8121561 |
Power tuning system and method for power amplifier
An automatic power tuning system and method, and a transmitter employing either the system or the method. In one embodiment, the system includes: (1) a power detector circuit coupled to an output...
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8121555 |
Transmission power control in HSPDA
Method, mobile station, base station and computer program product for transmission power control in a wireless communication comprising the adjustment of the retransmission power for at least a...
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