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7620116 |
Technique for determining an optimal transition-limiting code for use in a multi-level signaling system
A technique for determining an optimal transition-limiting code for use in a multi-level signaling system is disclosed. In one particular exemplary embodiment, the technique may be realized as a...
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7616701 |
Zero excess bandwidth modulation
ZEB (zero excess bandwidth) modulation. The modulation rate of a signal is increased to the entirety of a communication channel's available bandwidth. Spectral zeroes at the edges of the available...
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7613255 |
Method for estimating communication conditions affecting an UWB wireless link
The present invention relates to a method for transmitting data by means of at least one pulse sequence carried by a radio signal, in the course of which a power value representative of an amount...
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7609770 |
Circuit structure and signal encoding method for a serial ATA external physical layer
A circuit structure and signal encoding method for a serial ATA external physical layer is provided. The circuit structure and signal encoding method thereof is capable of reducing the number of...
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7602842 |
Digital signal transmission system
In a system for transmitting digital signals between two equipment units of a mobile radio network in accordance with a digital transmission protocol, the equipment units are interconnected by an...
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7593468 |
Method of interfacing a high speed signal
In a method of interfacing a high-speed signal, a series of digital signals are received from a transmitter in response to a clock signal. The received digital signal is coded based on a K-L level...
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7587002 |
Wireless transmitting and receiving device and method
A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal...
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7577208 |
VSB transmission system
A vestigial sideband (VSB) modulation transmission system and, a method for encoding an input signal in the system are disclosed. According to the present invention, the VSB transmission system...
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7573951 |
Binary arithmetic decoding apparatus and methods using a pipelined structure
Binary arithmetic decoding methods and apparatus are provided. A first decoded bit and a first set of decoding parameters are generated using a previously generated set of decoding parameters. A...
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7570713 |
System and method for anticipatory receiver switching based on signal quality estimation
A system and method of switching from a first receiver receiving a constant bit rate signal to a second receiver receiving the constant bit rate signal, where the constant bit rate signal received...
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7561624 |
Multi-interval line coding for high speed data communication
Binary data signal multi-line interval encoding and decoding arrangements supporting high speed data communications consistent with certain embodiments produce a signal having a plurality of pulses...
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7558326 |
Method and apparatus for sending auxiliary data on a TMDS-like link
A communication system including a transmitter, a receiver, and a TMDS-like link, in which video data and auxiliary data (typically including timing data associated with other auxiliary data) are...
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7557740 |
Context-based adaptive binary arithmetic coding (CABAC) decoding apparatus and decoding method thereof
A decoding method is adapted to be implemented using a Context-based Adaptive Binary Arithmetic Coding (CABAC) decoding apparatus, and includes: initializing a plurality of context variables;...
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7555029 |
Method for decoding a plurality of standard radio waves and standard radio wave receiver
A method and a standard radio wave receiver for receiving a plurality of standard radio waves respectively having signal configurations in accordance with respective specifications which define...
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7551681 |
Digital wireless audio transmitter system employing time diversity
A transmitter system that transfers digital data on a fixed frequency channel of a radio frequency band in the presence of interference from at least one FHSS interference source includes a time...
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7548727 |
Method and system for an efficient implementation of the Bluetooth® subband codec (SBC)
Certain aspects of a method and system for implementing a codec may comprise at least one of inverse discrete cosine transforming windowed data corresponding to a plurality of input audio samples...
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7519228 |
Method and apparatus for encrypting and compressing multimedia data
Disclosed herein is a method and apparatus for encrypting and compressing multimedia data, which transforms and compresses multimedia data through an encryption key in a process of compressing the...
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7515892 |
Base station antenna system and method for estimating mobile station direction in wireless communication system
Disclosed is an operation method of a base station antenna system, which includes receiving signals from at least two antennas to which a mono-pulse scheme has been applied; operating sum channel...
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7515613 |
Data transmission apparatus and data transmission method
An input signal INDATA inputted to a sender-side interface portion is encoded by an encoder, and a transmission signal generated by the encoding is transmitted to a receiver-side interface portion...
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7496720 |
ROM addressing method for an ADPCM decoder implementation
A micro-controller is connected between a hardware-based adaptive differential pulse code modulation (ADPCM) decoder and a read only memory (ROM) storing both micro-controller programming...
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7471742 |
Method and construction for space-time codes for AM-PSK constellations
Space-time codes are developed for multi-radii AM-PSK constellations. Further, a “super-unified” space-time code construction is developed that incorporates multi-radii AM-PSK codes with the...
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7471727 |
Integrated serial data decoder
The present invention provides a serial data decoder without capacitor that can be made in the form of an integrated circuit without any additional external device. The integrated serial data...
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7418007 |
Method and apparatus for determining a transmission bit rate in a statistical multiplexer
A statistical multiplexer for coding and multiplexing multiple channels of digital television data, or multiple panels of HDTV digital television data. A bit rate need parameter is determined for...
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7412004 |
Method and apparatus for controlling buffer overflow in a communication system
A method and apparatus are disclosed for controlling a buffer in a digital audio broadcasting (DAB) communication system. An audio encoder marks a frame as “dropped” whenever a buffer overflow...
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7403746 |
Adaptive frame durations for time-hopped impulse radio systems
A method determines a duration of a frame in an impulse radio system for radio ranging. Channel state information of a channel between two transceivers is estimated periodically. A signal to noise...
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7394875 |
Beaulieu series approach to optimal UMTS RACH preamble detection estimation
A method for preamble detection in mobile unit to base unit wireless telephony sets a preamble detection threshold based upon a Beaulieu series computation dependent upon preamble correlation data....
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7391813 |
Digital wireless communications device
A digital wireless communications device enabling call distance to be increased while avoiding mute processing as far as possible, even if code error occurs in an ADPCM code. The digital wireless...
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7382850 |
Multichannel cochlear implant with neural response telemetry
A circuit and method for cochlear implant telemetry where digital data is encoded into an RF signal. The RF signal is applied via a rectifier diode to a first switch matrix S 1 and a second switch...
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7379502 |
Method of converting digital data
Disclosed is a method of digital data conversion. The method includes binding input digital data into unit blocks constituted by a plurality of bytes, modulation-coding each byte of the input data...
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7376208 |
Reception method for packetized information with automatic repeat request
A decoding method is carried out in a receiver configured to accept format information relating to sequences of input data, to use format information in the decoding of each input sequence, and to...
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7375602 |
Methods for propagating a non sinusoidal signal without distortion in dispersive lossy media
Systems and methods are described for transmitting a waveform having a controllable attenuation and propagation velocity. An exemplary method comprises: generating an exponential waveform, the...
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7374100 |
Mobile terminal having smart card coupled with RFID tag and method for performing RFID function in such mobile terminal
Disclosed is a mobile terminal equipped with a smart card coupled with an RFID tag and a method for performing an RFID function in the mobile terminal. The smart card includes a user information...
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RE40312 |
Digital data transmitting method
A transmitting method of digital data whereby information data can be reproduced at a high precision. In order to retain digital data in sectors comprising a plurality of sync frames and...
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7369662 |
Maintaining end-to-end synchronization on a telecommunications connection
A method and an arrangement maintain end-to-end synchronization on a telecommunications connection transmitting data in frames substantially in real time and using synchronized end-to-end...
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7355532 |
voltage level coding system and method
We describe a voltage level coding system and method. The voltage level coding system includes a level encoder having an input to receive data segments coded using a first code and an output to...
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7342944 |
Method and apparatus for decoding a coded digital audio signal which is arranged in frames containing headers
With audio data reduction on the basis of ISO/IEC standard 11172-3, a frame length varying by 8 bits is used at a sampling frequency of 44.1 kHz in order to arrive, on average, at a particular...
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7339996 |
Receiver codec super set constellation generator
A technique is proposed to accurately estimate the Network CODEC levels for each PCM code a server modem generates. These levels are affected by the digital impairments such as Digital attenuation...
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7339995 |
Receiver symbol alignment for a serial point to point link
A stream of bits are received in a first integrated circuit (IC) device, where the stream represents a sequence of symbols transmitted by a second IC device over a serial point to point link that...
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7336713 |
Method and apparatus for encoding and decoding data
A DPCM operation which can reduce the size of differential data and a method and an apparatus for encoding data using the DPCM operation are provided. A method for generating differential data...
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7333546 |
Coding apparatus and method in a CDMA mobile communication system
In a mobile communication system, a coding apparatus receives 5 information bits and generates a code symbol stream comprised of 20 coded symbols. The coding apparatus generates 5 coded symbol...
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7330555 |
Coding device and method, and recording medium
An L-channel signal and an R-channel signal are input into a subtractor in which the difference between the L-channel signal and the R-channel signal is determined. The resulting signal is input...
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7328389 |
Transmitting apparatus, receiving apparatus, transmission method, and reception method
A transmitting apparatus controls, for each transmit frame, at least one of a modulation method and an error correction method. The transmitting apparatus forms an information symbol and transmits...
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7321627 |
Method and system for providing zero detect and auto-mute
Provided is a system and method for muting zero level pulse code modulated (PCM) samples. PCM samples are received as inputs to a digital to analog converter (DAC) including a PCM input module and...
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7315585 |
Clock-less serial data interface using a single pin
A data communication method for receiving digital data on a data terminal includes receiving data pulses having a first pulse separation to represent a first logical data value and a second pulse...
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7310382 |
Linearized switch-based power amplifier
A power amplifier comprises a level-discretization modulator ( 210 ) and a mixing and amplifying stage ( 225 ), in combination with a properly designed negative feedback path. The feedback path...
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7295638 |
Communication device
A direct sequence spread spectrum (DSSS) receiver ( 100 ) consistent with certain embodiments has a frequency generator ( 112 ) that generates a local oscillator signal without use of a...
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7292171 |
Method and device for the version of digital signals with heterogeneous formats and application thereof to the digital amplification of audio signals
The invention relates to a method and device for the conversion of digital signals comprising a phase involving modulation with the aid of a vector lattice encoder. The inventive method comprises...
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7283590 |
Signal processing approach for channel coding based on inter-symbol-interference insertion
An inter-symbol-interference (ISI) coder with mapper and linear filter and a technique of channel encoding deliberately inserts inter-symbol-interference (ISI) into the signal using a non-linear...
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7277490 |
Apparatus for converting PCM signal
An apparatus for converting pulse code modulation (PCM) signals in a telecommunication system between two different modulation standards. In the apparatus, a channel selector generates a channel...
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7277420 |
Temporal alignment of codec data with wireless local area network RF slots
A wireless local area network (WLAN) transceiving integrated circuit services voice communications in a WLAN with at least one other WLAN device. The WLAN transceiving integrated circuit includes a...
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