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9020065 Radio frequency digital filter group delay mismatch reduction  
A radio frequency (RF) front end having group delay mismatch reduction is provided. One embodiment provides a first feed forward path and a second feed forward path. The second feed forward path...
9008158 Apparatus for transmitting and receiving signal in communication system  
Disclosed uses a digital to analog converter and an analog to digital converter that process a low bit for processing of a data signal at high speed according to analog to digital conversion and...
8885690 Power control techniques for wireless transmitters  
Various embodiments are disclosed relating to power control techniques for wireless transmitters. In an example embodiment, an apparatus is provided that may include a digital-to-analog converter...
8837627 Correlation prevention methods for satellite adaptive cancellation links  
A method of reducing signal correlation in a symmetrical adaptive canceller link comprising spectrally inverting one of a first carrier signal and a second carrier signal by causing a spectral...
8811517 Wireless communication system for a high-speed object that moves on a fixed path  
The present invention relates to a method for sending a data signal from a transmitter to a receiver in a multiple antenna wireless communication system. In particular, the method comprises:...
8804750 Field device  
There is provided a field device performing a communication through a communication line. The field device includes: first circuits involved with a smart communication; second circuits involved...
8731490 Methods and circuits for detuning a filter and matching network at the output of a power amplifier  
In transmitter modules or power amplifier (PA) modules there is at least a possible path for a second and even a third harmonic of a low band to crossover unfiltered into the high band path and...
8705592 Data transmission apparatus, data reception apparatus, and data transmission method  
Disclosed herein are a data transmission apparatus, a data reception apparatus, and a data transmission method. The data transmission apparatus, the data reception apparatus, and the data...
8693971 Receiver, receiver circuits, and methods for providing an interference-reduced signal  
A receiver is configured to receive a receive signal including a plurality of signal components, each signal component indicating a channel of an antenna port and an associated scrambling...
8630365 Transceiver for communicating over different media types  
One embodiment of the present invention relates to a transceiver. The transceiver includes a transmitter having a first transmission path configured to transmit a digital baseband signal over a...
8582497 Method and system for minimizing power consumption in a communication system  
Certain embodiments of the invention may be found in a method and system for minimizing power consumption in a communication system. Exemplary aspects of the invention may comprise configuring a...
8565352 Digital IQ imbalance compensation for dual-carrier double conversion receiver  
Digital IQ imbalance compensation is utilized for a dual-carrier double conversion receiver. First, the effect of IQ imbalance on OFDM-based digital baseband is analyzed, showing that, in the...
8565341 Power amplifier and semiconductor integrated circuit  
In general, according to one embodiment, a power amplifier includes an envelope detector, a limiter, and a combiner. The envelope detector is configured to sense an envelope component of an input...
8532592 Integrated signal analyzer for adaptive control of mixed-signal integrated circuits  
A mixed-signal adaptive integrated circuit may comprise a primary function circuit, a digitally controlled analog sub-system cooperatively connected with the primary function circuit, and an...
8519877 Low noise and low power arrangement for playing audio signals  
A circuit for providing audio signals to a load such as a speaker is provided that uses the speaker or headphone amplifier structure as a current to voltage converter, thereby eliminating a...
8473284 Apparatus and method of encoding/decoding voice for selecting quantization/dequantization using characteristics of synthesized voice  
A voice encoding/decoding method and apparatus. A voice encoder includes: a quantization selection unit generating a quantization selection signal; and a quantization unit extracting a linear...
8467483 Radio-frequency apparatus and associated methods  
A radio-frequency apparatus includes an integrated circuit. The integrated circuit includes receiver analog circuitry, receiver digital circuitry, a digital-to-analog converter, and a signal...
8451888 Communication apparatus  
An impulse communication apparatus includes an impulse train generating part generating an impulse train from one modulated pulse by on-off keying, and an impulse train sending part sending the...
8428208 Control circuit, information processing device, and method of controlling information processing device  
A control circuit for receiving data transmitted by a data transmitting circuit and transmitting the received data to a data receiving circuit includes: a data receiving unit for receiving the...
8402333 Device and method for transmitting data  
A data transmission device transmits coded packets and a code for decoding the coded packets to a receiving device. The data transmission device retransmits the coded packets and the code to the...
8325786 Semiconductor device and communication device  
There is a need for reducing the scale of a circuit that determines and decodes code types for reception signals coded with different codes. A reception logic circuit determines and decodes code...
8325787 Precoding signaling in a MIMO wireless communication system  
A method for performing data transmission between a transmitter and a receiver. The method includes the steps of generating a feedback message at the receiver in response to data received from the...
8325841 Method for transmitting signals for reducing feedback overhead and method for transmitting feedback information for the same  
A method for transmitting signals to reduce feedback overhead and a method for transmitting feedback information for the same are described. In transmitting signals through precoding, different...
RE43800 Radio communication system including SDL having transmission rate of relatively high speed  
A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio...
8286067 Method for transmitting sampled data and control information between a DSP and an RF/analog front-end  
A method for delivering control information together with sampled data between a DSP and an RF/analog front-end in a high speed communication modem, which embeds sampled data and control...
8279989 Device and process for data rate acquisition  
A baud rate acquisition circuit (10) for synchronizing a sampling signal with an input signal operates in broad rate sweeping and a rate fine tuning phases. In the rate sweeping phase, a timing...
8249543 Low-IF integrated data receiver and associated methods  
Integrated low-IF (low intermediate frequency) data receivers and associated methods are disclosed that provide advantageous and cost-efficient solutions.
8238285 Method and system for minimizing power consumption in a communication system  
A method for regulating power in a front-end circuit, the method includes determining, along a first communication path, an envelope of a baseband signal; generating at least one voltage control...
8208033 Video over ethernet  
The present invention relates to a network enabled digital video camera arranged to be connected to a digital network. The network enabled digital video camera includes a digital network module...
8155231 Apparatus and method for selecting antenna in an orthogonalized spatial multiplexing system  
A method for selecting an antenna in an orthogonalized spatial multiplexing system. Upon receipt of at least one symbol from a transmitter via multiple receive antennas, a receiver decodes each of...
8145150 Integrated signal analyzer for adaptive control of mixed-signal integrated circuit  
A mixed-signal adaptive integrated circuit may comprise a primary function circuit, a digitally controlled analog sub-system cooperatively connected with the primary function circuit, and an...
8126080 Hardware implementation of space-time block codes  
The present invention is related to a circuit for encoding at least two input symbols by means of a space-time block code, comprising a plurality of multiplexers, each arranged to receive the...
8121214 Local oscillator with non-harmonic ratio between oscillator and RF frequencies using XOR operation  
A novel and useful apparatus for and method of local oscillator (LO) generation with non-integer multiplication ratio between the local oscillator and RF frequencies. The LO generation schemes...
8098718 Apparatus and methods for digital-to-analog conversion with vector quantization  
A digital-to-analog converter (DAC) includes a mismatch shaping feedback vector quantizer configured to store state information in expanded format using One-Hot Encoding of a matrix. The expanded...
8094052 Circuit and method for dynamically selecting circuit elements  
Techniques for dynamically selecting circuit elements to combat mismatches are described. In one design, an apparatus includes first, second, and third circuits. The first circuit receives input...
8073040 Serial communications control plane with optional features  
A serial communications protocol is provided that has mandatory features such as an idle code feature and optional features such as an optional automatic lane polarity reversal feature and an...
8031651 Method and system for minimizing power consumption in a communication system  
Certain embodiments of the invention may be found in a method and system for minimizing power consumption in a communication system. Exemplary aspects of the invention may comprise configuring a...
8004438 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Circuit and method for dynamically selecting circuit elements
 
Techniques for dynamically selecting circuit elements to combat mismatches are described. In one design, an apparatus includes first, second, and third circuits. The first circuit receives input...
7995666 Frame synchronization method and apparatus  
In a method for synchronizing a receiver to a synchronous signal, in a signal having been processed based on an automatic gain control (AGC) with a varying gain, a symbol is detected. An estimated...
7957454 Transmitter, receiver, and data communications system and method  
There is provided a transmitter that transmits data in a spread spectrum communications system including a spread modulation portion spreading transmitting data with a spread code, an RZ...
7945225 Medium loss high power IBOC combiner  
A method and apparatus are disclosed for combining digital sidebands with an FM analog signal for IBOC transmission by a single antenna. Specifically, a high power filter combiner for combining an...
7908172 System and method for generating multimedia accompaniments to broadcast data  
A method and system is presented for coordinating the transmission of supplemental digital data to accompany broadcast data, and in particular, analog radio broadcasts, among a plurality of...
7881692 Integrated low-IF terrestrial audio broadcast receiver and associated method  
An integrated low-IF (low intermediate frequency) terrestrial broadcast receiver and associated method are disclosed that provide an advantageous and cost-efficient solution. The integrated...
7822418 Device playback using radio transmission  
Implementations related to media playback and storage devices are presented herein.
7813436 Frame synchronization method and apparatus  
In a method for synchronizing a receiver to a synchronous signal, a plurality of potential symbols are detected in a signal, the signal having been processed based on automatic gain control (AGC)...
7684475 Control system methods and apparatus for inductive communication across an isolation barrier  
Improved control apparatus and methods transfer information between devices, such as controllers and field devices, utilizing a modulator that generates a pulse width modulated (PWM) signal...
7643634 Electronic component allowing the decoding of satellite digital television signals  
An integrated circuit is embodied on a monolithic substrate and incorporates a tuning module of the direct sampling type that is able to receive satellite digital television analog signals...
7573956 Time encoding and decoding of a signal  
Analog signals can be fully encoded as an asynchronous time sequence generated by a time encoding machine (TEM). With knowledge of the parameters of the time encoding machine, the asynchronous...
7430235 Apparatus for providing a multi-mode interface between a baseband receiver and radio frequency circuitry  
An apparatus for providing a multi-mode interface between a baseband receiver and radio frequency (RF) circuitry. According to a preferred embodiment of the invention, the apparatus includes a...
7394857 Flexible versatile low-cost wireline transmit driver  
A versatile, programmable, low-cost transmit line driver is provided. The line driver includes a digital-to-analog converter that receives a digital input and provides an analog output. The line...

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