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6950956 |
Integrated circuit with timing adjustment mechanism and method
An integrated circuit device includes a receiver, a register and a clock circuit. The receiver samples data from an external signal line in response to an internal clock signal. The register stores...
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6940263 |
Testing a transceiver
The invention relates to a method and an arrangement implementing the method for testing a transmitter part and receiver part in a transceiver. A signal in the transmitter part is mixed with a...
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6940915 |
Adaptive learning method and system to adaptive modulation
In recent years adaptive modulation has emerged as a popular technique to improve data throughput and system capacity in a wireless system. The basic idea is to adapt the modulation scheme to the...
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6938112 |
Use of bus hold to prevent bus contention between high speed processor and slow peripheral
The present invention discloses a method and apparatus for preventing contention on a common data bus between a CPU and a peripheral device with which the CPU exchanges data. A transceiver with bus...
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6934559 |
Method of and a system for estimating the frequency uncertainty of a mobile radio system able to use two different mobile radio networks
In a method of estimating the relative frequency uncertainty between two parts of a mobile radio system able to communicate via two mobile radio networks at first and second particular frequencies,...
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6928107 |
Iterative precoding system and method for resource limited data transceivers
A system and method for training an equalizer structure of a digital data communication system in order to compensate for transmission impairments on the line particularly wherein one transceiver...
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6928242 |
Built in self test method and circuit for parallel optical transmitters
An on-chip parallel data generator, including a Built In Self Test (BIST) generator, is integrated into a laser driver array of a parallel optical communication transmitter so that all optical...
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6925111 |
Data communication method and communication control apparatus
In data communication among a plurality of component units in an apparatus, transition state information corresponding to a state transition which has occurred in a sending side unit is sent to a...
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6925157 |
Method for operating devices for transmitting high-bit-rate data on an extension line and arrangement having such devices for data transmission
In a method and apparatus for data transmission and voice signal transmission on a subscriber line, in terminal devices located at least on a network side of the subscriber line, only those parts...
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6925489 |
Methods and apparatus for identification and purchase of broadcast digital music and other types of information
Identification information is extracted from a current broadcast of a piece or music or other type of information of interest to a user, and stored in a memory or other storage device, in response...
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6912246 |
Clock signal transmitting system, digital signal transmitting system, clock signal transmitting method, and digital signal transmitting method
A clock signal transmitting system is disclosed, which comprises a controlling circuit for generating a first control signal and a second control signal which contains synchronization information...
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6909755 |
Method and system for increasing data throughput in communications channels on an opportunistic basis
A method is presented for increasing data throughput in a communications channel comprising the steps of selecting a first data packet from a queue of data packets to be transmitted over a...
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6907061 |
Method for controlling the emission power of a transceiver in communication with another transceiver
The present invention relates to a method for use in controlling the emission power of a transceiver which is in communication with another transceiver via a communication system, said method...
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6904539 |
Method of determining data transfer speed in data transfer apparatus
A method of determining a transfer speed of an encoded data signal including a clock signal and a data signal is provided. First, the encoded data signal is decoded to generate a decoded clock...
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6904078 |
CDMA receiver and CDMA transmitter/receiver
A CDMA receiver and a CDMA transceiver are provided which have high resistance to fading fluctuations, and carry out highly accurate channel estimation, considering the rate of channel...
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6904358 |
System for displaying a map
The present invention relates to a system for displaying a map in a display unit of a mobile terminal device such that the relationship between a moving direction of the mobile terminal device and...
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6904097 |
Method and apparatus for adaptive signaling in a QAM communication system
A method and apparatus to adaptively puncture bits within QAM modulated data symbols transmitted in a communication system in order to effect a signaling channel. The method and apparatus utilize...
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6898181 |
Data compression negotiation in a telecommunication system
The invention relates to a method for setting up s data link, wherein an end-to-end link comprises at least two separate legs ( 402, 403 ) with error correction protocols. The legs may have...
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6898235 |
Wideband communication intercept and direction finding device using hyperchannelization
A physically compact, wideband signal activity identification, demodulation and characterization, and direction finding device incorporates multiple and cascadable digital signal processing modules...
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6895041 |
Digital subscriber line power reduction
A communications system includes an xDSL communications device coupled to customer premises equipment via an xDSL link. The communications device trains the link, determines an available bandwidth...
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6895518 |
Power and frequency adjustable UART device
The present invention embodiment comprises an arrangement of integrated circuits with a UART device that is configurable to operate in a power-reduced mode while the clock frequency of serial data...
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6895057 |
System and method for wireless communication supporting link adaptation and incremental redundancy
A system and method is provided for communicating in a wireless communication system which supports link adaptation or link adaptation and incremental redundancy. The invention provides link...
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6888898 |
Random code for device identification
A random identifier code is generated. The random identifier code is for allowing an electrical circuit to be communicatively associated with a particular external entity. The generated random...
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6888896 |
Method and apparatus for reducing flux imbalance signal distortion in a data communications system
A method and apparatus for reducing signal distortion in a high speed data communications system caused by a flux imbalance in a system coupling transformer. The signal distortion is monitored by a...
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6885696 |
Notifying bit allocation changes in a multicarrier modulation communications system
In a multicarrier modulation communications system, a change of a bit allocation table for the multiple subchannels or tones is notified from a transmitter to a receiver by a change in the...
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6885209 |
Device testing
A testing mode is provided for self testing of the transmitter and receiver pair provided on-chip. The testing mode targets each module individually; wherein when one of the two devices is placed...
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6882695 |
Data transmission line used continuously connected in plurality of stages in asynchronous system
A data transmission line used connected continuously in a plurality of stages in an asynchronous system includes a transfer control circuit, synchronous and asynchronous data holding circuits and a...
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6879626 |
Transmission/reception apparatus and modulation system estimation method
Modulation system estimator 108 sets an amplitude value of a signal modulated with a multivalue modulation with the less number of bits per symbol among two modulation systems selectively used at...
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6880077 |
Enabling communication between video BIOS and graphics drivers
A communication system is disclosed. The system includes an interface register having a plurality of communication and function bits to manage communication between video BIOS and graphics driver.
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6876696 |
Timing device and method using a timing equalizer filter for a digital communications systems
A method of training and operating a dual-duplex, four-wire communications system to provide for time alignment in the receivers of data that is time aligned in the transmitters, even in the...
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6873653 |
Method and apparatus for pre-distortion of an X-DSL line driver
An apparatus and method is provided for minimizing in channel distortion in an X-DSL line driver is disclosed. The apparatus may be incorporated in an existing X-DSL architecture without additional...
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6873825 |
System and method for optimizing bluetooth transmissions to overcome signal interference
Transmissions of a Bluetooth device are optimized to overcome signal interference. Mapping rules dictate different Bluetooth packet types to be used for transmission under various specified...
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6873650 |
Transmission rate compensation for a digital multi-tone transceiver
A circuit compensating for the difference in transmission rate of digital samples generated in transmit and receive paths between a user and a transceiver processing in the frequency domain, such...
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6871046 |
Radio transmitting apparatus and radio transmitting method
Channel fluctuation estimating section 101 estimates fluctuation amount of the channel between transmitting apparatus 100 and receiving apparatus 200 , and carrier number determining section ...
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6870888 |
Bit allocation among carriers in multicarrier communications
A technique is provided that may be employed in multicarrier communications to improve the efficiency of error correction using symbol-oriented error correction methodologies, by reducing the...
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6868385 |
Method and apparatus for the provision of information signals based upon speech recognition
A wireless system comprises at least one subscriber unit in wireless communication with an infrastructure. Each subscriber unit implements a speech recognition client, and the infrastructure...
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6868135 |
Method and apparatus for correcting for a phase shift between a transmitter and a receiver
A method and apparatus for correcting for a phase shift between a transmitter and receiver comprising the steps of:
a) transmitting a signal from a transmitter ( 14 ); b) receiving the...
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6865216 |
Frequency hopping spread spectrum modulation and direct sequence spread spectrum modulation cordless telephone
A wireless transceiver capable of selectively receiving and transmitting as a direct sequence spread spectrum system or as a frequency hopping spread spectrum system is disclosed. The system is...
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6847812 |
Frequency-stabilized transceiver configuration
A transceiver configuration has an integrated circuit (IC) with an A/D and/or D/A converter, a VCO with a reference oscillator, which provides a sampling clock for the A/D and/or D/A converter, and...
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6845126 |
System and method for adaptive antenna impedance matching
A transceiver includes a transmitter and a homodyne receiver, wherein the receiver is used to process both antenna-received and antenna-reflected signals. Thus, during a receive mode, for example,...
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6844841 |
Radio frequency link performance tool process and system
A system and method for optimizing transmission of radio frequency communication link signals in a radio frequency communications network comprises determining a statistical difference between a...
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6845125 |
xDSL transceiver
An xDSL transceiver comprising a transmission unit for transmitting a DMT-modulated signal through a subscriber line as a transmission path and a receiving unit for receiving the DMT-modulated...
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6845132 |
Efficient, dynamically adaptive bias architecture and associated methods
An adaptive bias module architecture and related methods is presented. According to one embodiment, for example, a method is presented comprising detecting a power level associated with data...
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6842482 |
Transmission/reception apparatus
Decision section 110 extracts retransmission requests from the reception signal after a CRC check, which is the output of CRC check section 107 , counts, decides whether the number of times the...
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6836290 |
Combined single-ended and differential signaling interface
A data interface for CMOS imagers is disclosed that can be either a single-ended interface or a differential interface. The single-ended interface provides compatibility with many existing external...
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6834078 |
Test facility for transceiver station
Test circuitry for a transceiver is described which allows tests to be conducted on a transmission loop without requiring decoding by rake fingers. According to one embodiment, a receiver for...
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6834077 |
System and method for testing a modem
A system and method for testing a modem in a personal computer are described. A modem tester includes a signal reporting circuit which can report signals received from the modem of the computer. To...
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6834367 |
Built-in self test system and method for high speed clock and data recovery circuit
A built-in self test system for testing a clock and data recovery circuit. The present invention provides a built-in self test circuit which operates with high speed phase lock loop. The built-in...
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6829469 |
Method and a device for producing a signal
A method for producing an output signal ( 42 ) with a specific frequency from an input signal ( 40 ) received, the frequency of which changes quickly in steps of the size of an input frequency...
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6826404 |
Tone signalling with TFO communication links
The invention provides method and apparatus for transporting tone signalling information through a GCME link in a GSM network supporting TFO and speech compression modes for the passage of signals...
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