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7616682 |
Method and device for chronologically synchronizing a location network
Chronologically synchronizing a unique positing signal generated by a positioning-unit device at a known location with a reference positioning signal generated by a reference transmitter at a known...
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7616627 |
Techniques for high definition audio modems
A system, apparatus, method and article for high definition audio modems are described. The apparatus may include a communications path comprising a communications bus and buffers, a codec to...
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7613244 |
System for communicating channel quality information
In transmitting channel quality information (CQI) by a mobile station (MS) in a communication system, the mobile station receives from a base station (BS) information of an allocation of a CQI...
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7609757 |
DSL rate adaptation
A method for enhancing the bit rate and/or margin at which quadrature amplitude modulation (QAM) communication is performed includes the steps of varying a spectral allocation and constellation...
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7606218 |
Ethernet-based digital subscriber line methods and systems
A digital subscriber line access network comprises a remote Ethernet device disposed in a serving area interface. The remote Ethernet device serves as an Ethernet bridge for a neighborhood service...
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7602843 |
Apparatus and method for transmitting/receiving channel quality information in a communication system
An apparatus and method for transmitting/receiving channel quality information (CQI) in a communication system having a frame including subchannels corresponding to the same frequency reuse factor...
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7599420 |
System and method for distributed input distributed output wireless communications
A system and method are described for compensating for frequency and phase offsets in a multiple antenna system (MAS) with multi-user (MU) transmissions (“MU-MAS”). For example, a method...
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7593746 |
Multi-media broadcast and multicast service (MBMS) in a wireless communication system
Techniques to implement MBMS services in a wireless communication system. In one aspect, a method is provided for processing data for transmission to a plurality of terminals. Frames of information...
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7593459 |
Wireless link simulator
A wireless link simulator includes, in sequence, a digital transmit device under test (TX-DUT), a wireless link simulator, and a digital receive device under test (RX-DUT). The wireless link...
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7593457 |
Transceiver system and method having a transmit clock signal phase that is phase-locked with a receive clock signal phase
A transceiver system is disclosed that includes a plurality of transceiver chips. Each transceiver chip includes one or more SERDES cores. Each SERDES core includes one or more SERDES lanes. Each...
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7590207 |
Modular serial interface in programmable logic device
A serial interface for a programmable logic device can be used as a conventional high-speed quad interface, but also allows an individual channel, if not otherwise being used, to be programmably...
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7590182 |
Method and apparatus for utilizing channel state information in a wireless communication system
Techniques for transmitting data from a transmitter unit to a receiver unit in a multiple-input multiple-output (MIMO) communication system. In one method, at the receiver unit, a number of signals...
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7590169 |
Multipath interference reduction on pilot estimation with legacy system interoperability
System, base station and method for supporting frequency domain equalization for frequency domain equalization-capable mobile stations and supporting improved channel estimation for both time...
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7583734 |
Two-wire type data communication method and system, controller and data recording apparatus
When a controller transmits a clock pulse of a positive phase as a first transmit signal (a) and a clock pulse of an opposite phase as a second transmit signal (b), the controller modulates the...
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7580465 |
Low speed access to DRAM
Embodiments provide access to a memory over a high speed serial link at slower speeds than the high speed serial links regular operation. An embodiment may comprise a memory apparatus with a...
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7577212 |
Method and system for generating reference voltages for signal receivers
A method and system for generating a reference voltage for memory device signal receivers operates in either a calibration mode or a normal operating mode. In the calibration mode, the magnitude of...
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7573945 |
System and method for joint maximal ratio combining using time-domain based signal processing
A spatial signal processing system and method are provided to optimize the received signal-to-noise ratio (SNR) at a first radio communication device based on the transmit filter at another radio...
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7564904 |
Apparatus for and method of detection of powered devices over a network
A novel mechanism for detecting the presence of powered devices over a network. A unique, infinite pseudo-random sequence of pulses are generated and transmitted over the network to the link...
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7564895 |
Method and apparatus for monitoring channel frequency response
Method and apparatus for retrieving the channel frequency response H(f), the noise N(f), measured at initialization and the signal to noise ratio SNR(f) measured at show time on a per bin basis, in...
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7561025 |
Broadband coupler technique for electrical connection to power lines
Disclosed is a power line broadband communication system having broadband coupler devices capable of direct electrical connection to an energized power line. The coupler includes a conductive...
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7552246 |
Communication network having a plurality of bridging nodes which transmit a beacon to terminal nodes in power saving state that it has messages awaiting delivery
An apparatus and a method for routing data in a radio data communication system having one or more host computers, one or more intermediate base stations, and one or more RF terminals organizes the...
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7551988 |
Method of software defined radio (SDR) waveform/function management
A designated function or “golden” slot for implementing and managing re-configurable SDR modules is provided. In an embodiment, the slot includes at least one radio frequency (RF) front end for...
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7551666 |
Wireless communications system and wireless digital receiver for use therein
A base station 2 demodulates a wireless signal after downconverting the signal to a low-frequency signal whose center frequency is fi [Hz] and oversampling the signal. A mobile station 3 ...
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7546508 |
Codec-assisted capacity enhancement of wireless VoIP
The use of a cellular system's packet data channel for transport of speech communications is enhanced by dynamically controlling the transmission of data packets that were received in error and...
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7542514 |
Method and device for adaptive modulation and coding based on second order statistics of channel information
The present invention discloses a method and device for adaptive modulation and coding based on second order statistics of channel information in OFDM system, characterized in that, by means of...
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7539461 |
Radio apparatus, and method and program for controlling spatial path
A PDMA terminal establishes communication by forming a plurality of spatial paths to another single radio apparatus. A plurality of antennas constituting an array antenna are divided into a...
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7538578 |
Multiple data rates in programmable logic device serial interface
A serial interface for a programmable logic device can be operated according to various communications protocols and includes both a receiver portion and a transmitter portion. The receiver portion...
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7536579 |
Skew-correcting apparatus using iterative approach
An apparatus for determining the amount of skew to be injected for system skew compensation in a high-speed data communications system including a plurality of lanes with a data bus per lane. Such...
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7535869 |
Apparatus and method for dynamically assigning resources in an OFDM communication system
A mobile communication system and method utilizing Orthogonal Frequency Division Multiplexing (OFDM) receives channel quality information (CQIs) for subcarriers through which reference signals are...
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7532665 |
Wireless communication apparatus and method, and computer program
A wireless communication apparatus for transmission/reception of a wireless communication signal, including first and second circuits that process a transmission/reception signal, an oscillator...
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7515672 |
Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting
A digital direct access arrangement (DAA) circuitry may be used to terminate the telephone connections at the user's end that provides a communication path for signals to and from the phone lines....
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7515661 |
Transmission device, transmission method, reception device, reception method, transmission/reception device, communication method, recording medium, and program
A transmitting apparatus, a transmitting method, a receiving apparatus, a receiving method, a transceiver, a communication apparatus and method, a recording medium, and a program in which high...
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7515629 |
Conditioning circuit that spectrally shapes a serviced bit stream
A high-speed bit stream interface module interfaces a high-speed communication media to a communication Application Specific Integrated Circuit (ASIC) via a Printed Circuit Board (PCB). The...
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7512174 |
Transmission determining method in a reception side apparatus
The invention determines a transmission power value or a data rate in transmission power control in a reception side apparatus. A communication apparatus includes a modulation class controlling...
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7508860 |
Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same
Provided are a pulse signal generator for UWB radio transception and a radio transceiver having the same. The pulse signal generator includes: an envelope generator generating a plurality of...
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7498935 |
Power-line carrier communication apparatus
The invention provides a power-line carrier communication apparatus including a transmission unit with a signal point mapping device for mapping a plurality of bit streams produced from...
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7496147 |
Method for transmitting information in a mimo radio communication system and radio communication system
A method is provided for transmitting information in a radio communication system provided with at least one transmitting station (AP) and at least two receiver stations (MT). The transmitting...
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7492816 |
Adaptive equalization methods and apparatus
A system includes a programmable transmitter device (e.g., a PLD) connected to a programmable receiver device (e.g., another PLD) via a transmission medium for transmitting a high-speed data signal...
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7492813 |
Startup protocol for high throughput communications systems
A startup protocol is provided for use in a communications system having a communications line with a master transceiver at a first end and a slave transceiver at a second end, each transceiver...
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7486722 |
Bandwidth efficient cable network modem
A MUD enabled cable modem that provides efficient use of cable television network bandwidth in the presence of interference and noise is disclosed. The modem design provides for compatibility with...
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7486719 |
Transcoder and code conversion method
A two-way conversion transcoder comprising a spectrum parameter calculation circuit that calculates a spectrum parameter for a signal produced by decoding a first code; a coefficient calculation...
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7483688 |
Network device with hybrid-mode transmitter
A network device comprises a hybrid-mode transmitter for transmitting a differential transmission signal at a first transmission rate or a second transmission rate. The network device includes a...
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7483477 |
User interface for selection of sampling parameters in a logic analyzer whose data receivers are in groups each having a separate threshold that is common to the channels within each group
Eye diagrams are made for signals on each channel in a group. Outlying signals not exhibiting overlap for a sampling parameter common for all channels may be ignored and a warning given. Selected,...
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7469005 |
Method for synchronizing memory areas in a transmitter apparatus and a receiver apparatus, and receiver apparatus
The invention relates to a method for synchronizing a transmitter memory area in a transmitter memory in a transmitter apparatus with a receiver memory area in a receiver memory in a receiver...
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7466747 |
Method and apparatus for wireless data transfer
A method and apparatus for wirelessly transmitting data between two devices ( 101. 102 ) is provided herein. During data transmission, a data and a strobe signal are transmitted simultaneously on...
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7463675 |
Direct digital access arrangement circuitry and method for connecting to phone lines
An isolation system is provided that is suitable for use in telephony, medical instrumentation, industrial process control and other applications. Preferred embodiments of the invention comprise a...
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7460603 |
Signal interface
The present invention discloses a signal interface to transmit a data signal to a driving circuit. The signal interface comprises a first circuit, a second circuit and a data bus. The first circuit...
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7460587 |
Electronic circuit for performing fractional time domain interpolation and related devices and methods
A clock offset compensation arrangement may include a fractional interpolator for applying a trigonometric interpolation to a sampled input signal according to a clock offset signal. It uses...
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7453958 |
Method and device for extracting a clock frequency underlying a data stream
A device for extracting a clock frequency underlying a data stream includes means for controlling a controllable oscillator, coarse-tuning means and fine-tuning means, wherein coarse-tuning means...
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7444440 |
Method and device for providing high data rate for a serial peripheral interface
An improved high performance scheme is provided with a serial peripheral interface (SPI) to enable microcontroller-based products and other components and devices to achieve a higher serial...
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