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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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;...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...