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Patent # Description
US-8,077,789 Repetition-dependent mapping for higher order modulation schemes
A method and apparatus is disclosed, for digital data transmission using higher order modulation schemes, wherein a plurality of bits is mapped to bit positions...
US-8,077,788 Soft demapping for MIMO decoding
A look-up table having distance information corresponding to a distance between a potential candidate symbol and a most proximate competing symbol for each bit...
US-8,077,787 Communication control method, receiving station apparatus, transmitting station apparatus, and communication system
A receiving station apparatus controls a number of null carriers included in a transmission signal transmitted by a transmitting station apparatus in a...
US-8,077,786 Methods and systems for detecting a narrow-band interferer
Various embodiments of the systems and methods described herein may be used to compute a minimum variance unbiased estimator by receiving a first OFDM signal at...
US-8,077,785 Generalized co-phasing for multiple transmitting and receiving antennas
A method for determining a phase of each of a plurality of transmitting antennas in a multiple input and multiple output (MIMO) communication system includes:...
US-8,077,784 OFDM demodulation device
An OFDM (Orthogonal Frequency Division Multiplexing) demodulator includes: an FFT (Fast Fourier Transform) circuit for performing a fast Fourier transform on an...
US-8,077,783 Method and apparatus for detecting transmission symbol using lattice-reduction matrix in multiple input...
Provided are a method and apparatus for detecting a transmission symbol using a lattice-reduction matrix in a Multiple Input Multiple Output (MIMO) system. The...
US-8,077,782 Adaptive modulation control apparatus and wireless communication apparatus
[Object] To prevent communication performance capabilities from deteriorating even in the cases that the estimation error of the propagation path is...
US-8,077,781 Apparatus and method for receiving an orthogonal frequency division multiplexed signal
The value of a pilot signal extracted from the received signal is divided by the known value (s.sub.m,n) of the pilot signal to obtain a channel characteristic...
US-8,077,780 Power control in a multicarrier communications system
An improvement to multi-carrier communication, such as an OFDM and MC-CDMA system, where in a multipath or phase distorted channel, the received signal is flat...
US-8,077,779 Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding with...
A method and apparatus for performing motion estimation in a digital video system is disclosed. Specifically, the present invention discloses a system that...
US-8,077,778 Video display and decode utilizing off-chip processor and DRAM
A system, method, and apparatus for decoding and displaying images utilizing two processors and two memory units. The decode process receives images which are...
US-8,077,777 Method of controlling complexity for video compressor
A video compressor has a real-time compression with a constant frame rate. The complexity in the compression of each frame is controlled to be smaller than a...
US-8,077,776 Motion estimation for video compression
Motion estimation is described. A first portion of a predicted frame is obtained. The first portion is for a first predicted value. A first subset of a...
US-8,077,775 System and method of adaptive rate control for a video encoder
A method of adaptively adjusting a QP of a video encoder to control output bit rate including estimating the QP based on a complexity of a previous frame and...
US-8,077,774 Automated monitoring of digital video image quality
A system and method for detecting video stream macroblock errors and pixelation by detecting macroblock artifacts in analog television signals from a...
US-8,077,773 Systems and methods for highly efficient video compression using selective retention of relevant visual detail
Systems and methods are presented for compressing digital video signals in a manner that prevents the creation of block artifacts and improves compression...
US-8,077,772 Coding background blocks in video coding that includes coding as skipped
A method, an apparatus, and a method to encode a block in a picture of a time sequence of pictures such as video. The method includes selecting the mode for...
US-8,077,771 Moving-image distributing apparatus, moving-image distributing system, and computer product
A moving-image-data acquiring unit acquires, when a failure occurs in other moving-image distributing apparatus, a plurality of moving-image data transmitted...
US-8,077,770 Methods and apparatus for reducing modulation signal bandwidth in polar modulation transmitters
Methods and apparatus for reducing the bandwidth of modulation signals in a phase path of a polar modulation transmitter. An exemplary method includes...
US-8,077,769 Method of reducing computations in transform and scaling processes in a digital video encoder using a...
A method of reducing computations utilizing a threshold to increase efficiency and speed of a video encoder is described. Computations of transform and scaling...
US-8,077,768 Digital signal processing apparatus
A digital signal processing apparatus for converting an analog signal to a digital signal and digitally processing the digital signal is disclosed. The...
US-8,077,767 Scaled signal processing elements for reduced filter tap noise
An adaptive transversal filter having tap weights W.sub.j which are products of corresponding tap coefficients C.sub.j and tap gains M.sub.j is provided. A...
US-8,077,766 Method and device for receiving a data signal consisting of symbol blocks and corresponding computer program
A method is provided for receiving a received data signal including at least one symbol block received and representative of a source signal. The method...
US-8,077,765 Mixed minimum mean square error/zero-forcing FIR filter adaptation
A system and method of adapting a FIR filter with a mixed minimum-mean-square-error/zero-forcing adaptation is disclosed. A channel response module attempts to...
US-8,077,764 16-state adaptive noise predictive maximum-likelihood detection system
A 16-State adaptive NPML detector is provided for a tape drive which addresses weaknesses of a conventional fixed, 8-state EPR4 detector. Rather than having a...
US-8,077,763 Full-duplex radio frequency echo cancellation
A system comprising a transmitter element creating an interrogation signal and transmitting the interrogation signal and a receiver element receiving a...
US-8,077,762 PHY control module for a multi-pair gigabit transceiver
A method for controlling operation of a multi-pair gigabit transceiver. The multi-pair gigabit transceiver comprises a Physical Layer Control module (PHY...
US-8,077,761 Data transmission and reception module, and method of adjusting reception threshold value thereof
Disclosed is a method of adjusting a reception threshold value in data reception. The method comprises: generating a transmission signal on the basis of a clock...
US-8,077,760 Digital transponder with real signal channelizer and synthesizer
Embodiments disclosed herein relate generally to digital transponders. In one broad aspect, there is provided a digital transponder comprising: (a) an analog to...
US-8,077,759 Method and apparatus for new cell identification in a WCDMA network with a given neighbor set
A method and an apparatus for new cell identification in a WCDMA network with a given neighbor set are described. Aspects of a system for new cell ...
US-8,077,758 Signal separation techniques to provide robust spread spectrum signal decoding
A spread spectrum communications system includes an antenna array for receiving different summations of desired and undesired signals, and receivers are coupled...
US-8,077,757 Sampling method for a spread spectrum communication system
Method for decoding a signal sent over a bandwidth-expanding communication system, where both channel estimation and signal detection are carried out on a set...
US-8,077,756 Signal transmitting method, transmitting apparatus, and receiving apparatus used for the signal transmitting method
A disclosed signal transmitting method includes the steps of a) categorizing plural digital signals, obtained by performing A/D conversion on plural analog...
US-8,077,755 Multi-mode coexistence method for a multi-mode communication device
The present invention discloses a multi-mode coexistence method of a multi-mode communication device comprising steps of: setting priorities of frequency usage...
US-8,077,754 Pool power control in remelting systems
An apparatus for and method of controlling a remelting furnace comprising adjusting current supplied to an electrode based upon a predetermined pool power...
US-8,077,753 Semiconductor laser device
A semiconductor laser device capable of improving the reliability of the laser device is obtained. This semiconductor laser device (1000) includes a...
US-8,077,752 Vertical cavity surface emitting laser
A Vertical Cavity Surface Emitting Laser (VCSEL) capable of providing high output of fundamental transverse mode while preventing oscillation of high-order...
US-8,077,751 Bar-shaped semiconductor laser chip and method of fabrication thereof
A bar-shaped semiconductor laser chip that can hold down a variation in oscillation wavelength is provided. The bar-shaped semiconductor laser chip has a...
US-8,077,750 Optical transmitting module and optical transmitting device
An optical transmitting module of a coaxial type is provided in which a disturbance in a waveform of light which is output from a semiconductor laser element...
US-8,077,749 Pulsed laser source with adjustable grating compressor
Various embodiments described herein relate to a laser source for producing a pulsed laser beam comprising a plurality of ultrashort optical pulses having a...
US-8,077,748 Hybrid waveguide laser with a fiber gain medium
A laser includes a gain stage and a pump stage. The gain stage includes a fiber link that terminates at a pair of ends and includes a doped fiber. The pump...
US-8,077,747 Phosphate glass based optical device and method
An optical device includes an optical fiber having a core including multicomponent phosphate glasses, and a cladding surrounding the core, and a first fiber...
US-8,077,746 Method and apparatus for generating information signal to be recorded
A compressively-encoding-resultant video signal resulting from compressively encoding a video signal, a first compressively-encoding-resultant audio signal...
US-8,077,745 Techniques for unidirectional disabling of audio-video synchronization
This disclosure describes techniques to allow for unidirectional disabling of audio-video synchronization. In particular, a synchronization command is defined...
US-8,077,744 Digital broadcast system for transmitting/receiving digital broadcast data, and data processing method for use...
The present invention is directed to a digital broadcast system and a data processing method. A broadcast signal in which mobile service data and main service...
US-8,077,743 Method and apparatus for offset interleaving of vocoder frames
The disclosed embodiments provide methods and apparatus for offset interleaving of media frames for transmission over a communication network. In one aspect, a...
US-8,077,742 Data transmission using address encoding
An apparatus includes an input circuit to receive a frame of data. The frame of data includes an address field. The address field includes an address. An...
US-8,077,741 Multiplexing network system and digital information transferring method
In a multiplexing network system in which media devices are interconnected through a digital transmission path, during system startup, a device that is used as...
US-8,077,740 Apparatus and method for reducing noise in seismic data
A method of acquiring seismic data. The method includes receiving seismic signals at one or more sensors; sampling the received seismic signals into a plurality...
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