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| Patent # | Description |
|---|---|
| US-7,539,280 |
Nuclear fuel rod loading method and apparatus A method to load a nuclear fuel rod, comprising, providing nuclear fuel pellets in a fuel plate transfer unit; transferring the nuclear fuel pellets from the... |
| US-7,539,279 |
Logarithmic spectrum transmitter waveform for controlled-source
electromagnetic surveying Waveforms for controlled source electromagnetic surveying. The waveforms have frequency spectra that include three or more frequencies spaced at substantially... |
| US-7,539,278 |
Programmable transceivers that are able to operate over wide frequency
ranges A field-programmable gate array ("FPGA") may include data receiver and/or transmitter circuitry that is adapted to receive and/or transmit data at any... |
| US-7,539,277 |
Binary stream switching controlled modulus divider for fractional
frequency synthesis A modulus divider controller coupled to a modulus divider for generating a synthesized clock from a reference clock, wherein the modulus divider generates a... |
| US-7,539,276 |
Method of processing a sampled spread spectrum signal stream In accordance with the present invention, a method of processing a sampled signal stream containing at least one spread spectrum signal is provided together with... |
| US-7,539,275 |
Analog to feature converter for SIGINT applications A specially constructed analog processing block ahead of the traditional ADC within a typical RF front-end involving an antenna, filter, LNA, and AGC is... |
| US-7,539,274 |
Weight generation method for multi-antenna communication systems utilizing
RF-based and baseband signal... A signal weighting and combining method implemented within a receiver having a plurality of receive antennas is disclosed herein. Each receive antenna is... |
| US-7,539,273 |
Method for separating interfering signals and computing arrival angles A method is disclosed for processing all types of received, interfering radio frequency signals corrupted by noise to extract the individual signals without... |
| US-7,539,272 |
Frequency error estimation and correction in a SAIC linear equalizer Different from conventional equalizers, the output of an SAIC (Single Antenna Interference Cancellation) linear equalizer in GSM/EDGE wireless communication... |
| US-7,539,271 |
System and method for multi-band ultra-wide band signal generators The present invention provides systems and methods relating to ultra-wide band communications. A method is provided for transmitting information using ultra-wide... |
| US-7,539,270 |
Method and apparatus to interleave bits across symbols from different
constellations An encoded input bit stream is interleaved across a number of symbols having different bit sizes in a manner that ensures that the bits assigned to each symbol... |
| US-7,539,269 |
Method and apparatus for discrete power synthesis of multicarrier signals
with constant envelope power amplifiers A power synthesizer is in several (n) discrete stages, each stage having a discrete amplitude, constant envelope amplifier coupled in series with a continuous... |
| US-7,539,268 |
Transmission/reception arrangement and method for reducing nonlinearities
in output signals from a... The invention proposes a transmission/reception arrangement (1) which contains a respective distortion unit (5, 6) for the transmission and reception paths (2,... |
| US-7,539,267 |
Impulse radio systems with multiple pulse types A method signals in an ultra-wide bandwidth network. A data symbol is generated. A set of reference pulses is transmitted for the data symbol. Each reference... |
| US-7,539,266 |
Phase shift keying wireless communication apparatus and method A network device comprises a PSK modulator that PSK modulates a header portion of a data packet at a first effective throughput and that PSK modulates outbound... |
| US-7,539,265 |
Multiple-input multiple-output code division multiple access (MIMO-CDMA)
wireless communication equipment A multiple-input multiple-output code division multiple access (MIMO-CDMA) wireless communication equipment has a transmitter and a receiver. The transmitter has... |
| US-7,539,264 |
Apparatus and method for transmitting/receiving a pilot sequence in a
mobile communication system using... A mobile communication system includes M transmission antennas, P encoders for receiving P information bit streams and encoding the received information bit... |
| US-7,539,263 |
Method for transmitting and receiving preamble sequences in an orthogonal
frequency division multiplexing... In an orthogonal frequency division multiplexing (OFDM) communication system using multiple transmit antennas, a first base sequence with a first length is... |
| US-7,539,262 |
Method and apparatus for performing chip level equalization using joint
processing A method and apparatus for performing chip level equalization (CLE) using joint processing to enhance performance and system throughput using a transmitter... |
| US-7,539,261 |
Multi-layer coded modulation for non-ergodic block fading channels A multi-layer coded modulation technique is disclosed for a wireless communication system with non-ergodic channels, which is particularly advantageous for... |
| US-7,539,260 |
Detecting the number of transmit antennas in wireless communication
systems To detect the number of transmit antennas, a fast Fourier transform operation is performed on the received samples of the transmitted long training symbols of a... |
| US-7,539,259 |
OFDM channel estimation and tracking for multiple transmit antennas Multiple Transmit Multiple Receive Orthogonal Frequency Division Multiplexing (`OFDM`) comprising generating bit streams and corresponding sets of N frequency... |
| US-7,539,258 |
Audio data sync format detecting circuit The present invention provides an audio data sync format detecting circuit that can minimize both the hardware configuration software processing, and... |
| US-7,539,257 |
Continuous phase modulation system and method with added phase pulse A signal generator generates a coded or memory waveform having a trellis structure. A modulator is operative with the signal generator for adding at least one... |
| US-7,539,256 |
Decoding device and decoding method A decoding apparatus that is capable of calculating of the likelihood information at high speed while suppressing increases in processing amount and in circuit... |
| US-7,539,255 |
Using multiple pilot signals for timing error estimation in digital
subscriber line communications A receiving modem (20) including functionality for adjusting the synchronization of its timing relative to a transmitting modem (10), by recovering timing from a... |
| US-7,539,254 |
Method and system for optimal bitloading in communication and data
compression systems This invention provides a method and system for determining the number of bits to assign to a frequency range in a signal. The present invention is capable of... |
| US-7,539,253 |
Interpolation in channel state feedback Feedback bandwidth may be reduced in a closed loop MIMO system by Householder transformations, vector quantization using codebooks, and down-sampling in the... |
| US-7,539,252 |
Communications system with baseband pilot injected carrier (BPIC)
modulation/demodulation and frame recovery... A communications system may include a transmitting device for transmitting a modulated signal therefrom based upon input data, and a receiving device for... |
| US-7,539,251 |
Communications system with selective baseband pilot injected carrier
(BPIC) and input data modulation and... A communications system may include a transmitting device for transmitting a modulated signal therefrom based upon first and second input data. The transmitting... |
| US-7,539,249 |
Method and system to improve the transport of compressed video data A method comprises determining a plurality of time intervals Tp and Tn within a variable bit rate (VBR) representation of an image sequence. The time intervals... |
| US-7,539,248 |
Adaptive de-blocking filtering apparatus and method for MPEG video decoder A post processing de-blocking filter includes a threshold determination unit for adaptively determining a plurality of threshold values according to at least... |
| US-7,539,247 |
VSB transmission system for processing supplemental transmission data A VSB communication system or transmitter for processing supplemental data packets with MPEG-II data packets includes a VSB supplemental data processor and a VSB... |
| US-7,539,246 |
Image encoding apparatus and method An image coding apparatus which improves the picture quality of an image. A quantization index arithmetic operation section calculates, based on motion vector... |
| US-7,539,245 |
System and method for digital transmission and modulation of conjugate
pulse position The invention relates to a communication system comprising a modulator, encoder, decoder, demodulator, and a data input source, which employs an improved... |
| US-7,539,244 |
Receiver for performing adaptive equalization and method A receiver includes a filter capable of receiving an input signal and generating an output signal. The filter provides a transfer function. The filter includes a... |
| US-7,539,243 |
Method and system for low-power integrating decision feedback equalizer
with fast switched-capacitor feed... A method and system for decision feedback equalization for digital transmission systems is provided. Low-power integrating decision feedback equalization with... |
| US-7,539,242 |
Semiconductor integrated circuit device and method of testing the same A semiconductor integrated circuit device has first and second receivers and first and second transmitters. The first receiver has a first clock data recovery... |
| US-7,539,241 |
Packet detector for a communication system Method and apparatus for packet detection is described. More particularly, a signal having sub-signals is received. The signal is quantized ("re-quantized") to... |
| US-7,539,240 |
Method and apparatus for parameter estimation in a generalized rake
receiver Exemplary received signal processing may be based on maintaining a model of received signal impairment correlations, wherein each term of the model is updated... |
| US-7,539,239 |
Apparatus for rapid PN code acquisition An apparatus and method of determining a signal code. The method comprising steps of acquiring and correlating a signal with a first code sequence. In response... |
| US-7,539,238 |
Extended algorithm data estimator A method of data estimation for a Time Division Duplex (TDD) Code Division Multiple Access (CDMA) system or any other system using an extended algorithm (EA) in... |
| US-7,539,237 |
Fast locking mechanism for channelized ultrawide-band communications A receiver for acquisition and lock of an impulse radio signal comprising an adjustable time base to output a sliding periodic timing signal having an adjustable... |
| US-7,539,236 |
Method for multi-user demodulation with variable spread spectrum
coefficient A multiuser demodulation method with variable spreading factor may use the multiuser detection and variable spreading factor techniques in the same system at the... |
| US-7,539,235 |
Matched filter for scalable spread spectrum communications systems A spread spectrum communications system using long, scalable PN sequences to achieve variable communication rates using a low-complexity and scalable matched... |
| US-7,539,234 |
System and device for modulating UWB pulse sequences The present invention relates to a system for transmitting data in the form of at least one sequence of pulses. A transmitter included in the system according to... |
| US-7,539,233 |
Lens holder and laser array unit using the same In a laser array unit in which a plurality of laser beams emitted from a laser array is received by a lens array, the lens holder for fixedly bonding the lens... |
| US-7,539,232 |
Compact phase locked laser array and related techniques An electro-optical system includes a plurality of electromagnetic gain media having a corresponding plurality of apertures. The apertures are disposed in a... |
| US-7,539,231 |
Apparatus and method for generating controlled-linewidth
laser-seed-signals for high-powered fiber-laser... Apparatus and method for generating controlled-linewidth laser-seed-signals for high-powered fiber-laser amplifier systems. In some embodiments, the natural... |
| US-7,539,230 |
Semiconductor laser device and method for fabricating the same A semiconductor laser device includes a red-light-emission portion and an infrared-light-emission portion on a single substrate. The red-light-emission portion... |
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