|
Match
|
Document |
Document Title |
|
|
7460623 |
Digital two-stage automatic gain control
A digital automatic gain control circuit is disclosed. The circuit includes a selector, a scaler, a detector, a gain adjustor and a controller. In one exemplary aspect, the selector receives an...
|
|
|
7460617 |
Wireless communication method and apparatus for performing post-detection constellation correction
A method and apparatus for correcting the phase and gain of data associated with a constellation pattern of a plurality of received individual symbols. Each symbol is divided into real and...
|
|
|
7460615 |
Spatial and time multiplexing of multi-band signals
A multi-band receiver for use with satellite ranging systems is provided. The receiver has a simplified architecture in which input signals of various frequencies are multiplexed together to form a...
|
|
|
7460630 |
Device and method for synchronous data transmission using reference signal
A data transmitter and a data receiver generate respective synchronous signals from a common reference signal. The data receiver adjusts a phase of a first clock signal using each one of one-bit...
|
|
|
7457370 |
Frequency staggered frequency shift keying modulation
A frequency modulation method is proposed that enables an imprinting of a digital message formed by a sequence of symbols on a set of frequency bands. Each symbol of the digital message is hereby...
|
|
|
7457373 |
Receiver circuit for a push-pull transmission method and method for receiver-end signal processing in push-pull transmission methods
A receiver circuit contains first and second inputs for feeding in first and second input signals, and an output generating an output signal dependent on the input signals. A detector circuit has a...
|
|
|
7457356 |
Method of initializing equalizer of digital television receiver and equalizer using the same
A method of initializing an equalizer of VSB DTV receiver and an equalizer using the same are provided. The method includes the steps of: obtaining a channel estimation value by estimating an...
|
|
|
7457375 |
Timing extractor, timing extraction method, and demodulator having the timing extractor
In a timing component extractor for a digital modulated signal, a frequency converting section 30 receives a complex baseband signal having a symbol rate fs and formed from an I signal and a Q...
|
|
|
7453959 |
Apparatus and method for erasure detection and soft-decision decoding in cellular system receiver
Disclosed is an apparatus and method for erasure detection and soft-decision decoding in a cellular system receiver. In the present invention, a complex channel gain and a noise variance of a...
|
|
|
7453922 |
Wireless communication systems and methods for contiguously addressable memory enabled multiple processor based multiple user detection
The invention provides methods and apparatus for multiple user detection (MUD) processing that have application, for example, in improving the capacity CDMA and other wireless base stations. One...
|
|
|
7450665 |
Method and apparatus to implement DC offset correction in a sigma delta converter
A sigma delta converter configured for DC offset correction is presented. The sigma delta modulator has integrator circuitry including an integrator input and an integrator output. An input signal...
|
|
|
7450549 |
Pilot signal enhancements for a wireless communication system
In a method and apparatus suitable to convey timely information for facilitating accurate reception of transmitted data, a pilot signal is modulated to convey information. The information may...
|
|
|
7450663 |
Interpolation for use in channel estimation
A method for the estimation of the transfer function of a transmission channel in a receiving system of UMTS type envisages the computation of a plurality of channel coefficients, included among...
|
|
|
7450630 |
Mobile radio telephone receiver
A data processing device in a mobile radio telephone receiver contains a RAKE receiver portion with RAKE fingers and a path search and evaluation device for detecting paths of the air interface...
|
|
|
7450629 |
Adjustable dual-band link
A communication system utilizing an adjustable link has at least a first data transmission circuit including at least a first communication link circuit. The first communication link circuit has a...
|
|
|
7450652 |
Apparatus and method for receiving signals in an OFDM communication system
A receiving apparatus in an OFDM communication system, in which the receiving apparatus includes a serial-to-parallel converter that converts a serial signal received through an antenna to parallel...
|
|
|
7450664 |
Selection of transmission alphabet sets for short message services
A receiver for text messages in a network includes a means to receive and demodulate a signal. A message type detector determines whether or not the message is a text message. If it is, a header...
|
|
|
7450656 |
Method for communicating via a channel characterized by parameters that vary in time within a transmission block
In an environment where a block transmission takes place via a frequency selective channel that is characterized by channel parameters that change with time in the course of the transmission of a...
|
|
|
7447284 |
Method and apparatus for signal noise control
One embodiment of the present invention relates to noise control of one or more signals. In one embodiment, impulsive-type noise events, such as multipath noise events or pops, may be detected and...
|
|
|
7446695 |
Precision pulse detection system for radar sensors
A precision pulse detection system for time-of-flight sensors detects a zero axis crossing of a pulse after it crosses above and then falls below a threshold. Transmit and receive pulses flow...
|
|
|
7447275 |
IF FSK receiver
In one embodiment, the present invention is a low-power, and high performance receiver including an IF demodulator for high data rate, frequency modulated systems, such as Bluetooth. The IF...
|
|
|
7447254 |
Self-correlating pseudo-noise pairing
A method of transmitting communications codes is used in spread spectrum communications systems. The method includes transmitting a first pseudo-noise code, and transmitting a second pseudo-noise...
|
|
|
7447276 |
Receiver and method for blind adaptive thresholding using noise estimator
A receiver estimates noise power and establishes a false alarm detector threshold. The receiver includes an antenna array having a plurality of antenna subarrays on which multiple communications...
|
|
|
7447271 |
Radio receiving apparatus and method
Radio receiving apparatus includes antennas, radio units adjusting gains of received signals, and outputting the adjusted received signals, respectively, converters converting the adjusted received...
|
|
|
7444128 |
Method of estimating a high frequency carrier signal
A method of estimating the carrier frequency of a signal is disclosed. The method comprising the steps of initializing a time average vector to zero, selecting a user-selectable time segment to...
|
|
|
7443926 |
Apparatus for inputting clock signal and data signals of small amplitude level with start timing of inputting clock signal ahead of that of inputting data signals
In an apparatus including a shift register adapted to pass a start signal therethrough in synchronization with a clock signal of a large amplitude level to sequentially generate a plurality of...
|
|
|
7443927 |
Signal detector
A signal detector comprises a signal translator, a data signal detector, a clock signal detector and an inputting control circuit for detecting abnormal clock and data signals. The signal...
|
|
|
7443909 |
Weighted autocorrelation method for downlink CDMA LMMSE equalizers
Receiving downlink CDMA signals in a fast-fading environment is facilitated at higher receiver velocities by updating the block-adaptive linear minimum mean square error (LMMSE) downlink CDMA...
|
|
|
7440491 |
Ultra-wideband communications system devices
System for ultra-wideband communications providing high data rates over an extended operating range in the presence of interferers. A preferred embodiment comprises an ultra-wideband (UWB) device...
|
|
|
7440521 |
Method of normalization of forward metric (alpha) and reverse metric (beta) in a map decoder
In a normalization process, overflow occurring in limited size registers, holding the alpha or beta values in a map decoder, may be overcome by subtracting a constant value from all of the alpha or...
|
|
|
7440495 |
FPGA having AC coupling on I/O pins with an effective bypass of the AC coupling
DC balance is obtained in an integrated circuit (IC) having I/O pins with AC coupling by effectively bypassing the AC coupling. The DC balance is accomplished by mixing in a known, low frequency...
|
|
|
7440489 |
Method and apparatus for selective demodulation and decoding of communications signals
A spread spectrum signal is processed by correlating the spread spectrum signal with a spreading sequence at a first plurality of correlation times to produce a first plurality of time-offset...
|
|
|
7440516 |
Apparatus and method for receiving digital multimedia broadcasting in a wireless terminal
Provided are an apparatus and method for receiving digital multimedia broadcasting (DMB) signals in a wireless terminal. The apparatus includes a first antenna for receiving a satellite DMB signal...
|
|
|
7440497 |
Serial data link using decision feedback equalization
A multi-phase adaptive decision feedback equalizer minimizes post-cursor inter-symbol interference in a current data bit based on values of subsequent data bits in a data communication system. In...
|
|
|
7436905 |
Receiver device, communications device, wireless LAN device, power control method for a receiver device, power control program for a receiver device, and storage medium
A receiver device in accordance with the present invention (for example, wireless LAN device) includes: a radio frequency signal processor section converting an incoming radio frequency signal to a...
|
|
|
7436904 |
Data recovery apparatus and method for decreasing data recovery error in a high-speed serial link
Provided are a data recovery apparatus and method for recovering (parallel) data from serial data received via a high-speed serial link with a reduced data recovery error rate. The data recovery...
|
|
|
7436289 |
Remote keyless entry system with two modes of demodulation
A remote signaling receiver system includes a receiver that operates in two different modes of demodulation to accommodate different types of signals from different types of transmitting devices. A...
|
|
|
7436914 |
Methods and apparatus for providing television signals
A method for providing television signals is disclosed including the steps of: receiving signals utilizing a first antenna and a second antenna; generating a first signal quality indicator...
|
|
|
7436906 |
Synchronous detector with high accuracy in detecting synchronization and a method therefor
In a symbol timing detector, a correlator calculates a correlation value for a received radio packet signal. A peak detector compares the correlation value with a threshold value to be used, and...
|
|
|
7433424 |
Signal receiving apparatus and method and recording medium
The present invention relates to signal receiving apparatus and method for efficiently transmitting a digital satellite broadcast signal received, and recording medium. A DSS broadcast signal from...
|
|
|
7433425 |
Adaptive signal tuning for digital radio receivers operating, in FM bands
A radio receiver for receiving analog signals in a Frequency Modulation (FM) band includes a hybrid/all digital decoder that decodes a digital audio signal. An analog FM demodulator generates a...
|
|
|
7433431 |
Staggered AGC with digitally controlled VGA
A method of and device for automatic gain control (AGC) incorporates digitally controlled variable gain amplifiers (VGAs). An AGC circuit comprises multiple AGC stages, where each of the stages...
|
|
|
7433414 |
Intelligent array radio architecture
A receiver sets weights for an antenna array according to a series of algorithms including an energy algorithm, a least squares algorithm and a least mean square algorithm.
|
|
|
7433426 |
Adaptive hysteresis receiver for a high speed digital signal
An adaptive hysteresis receiver processes a high speed digital signal. A differential receiver circuit compares the high speed digital signal to a reference voltage to generate an output signal. A...
|
|
|
7433389 |
Methods and apparatus for spread spectrum signal processing using a reconfigurable coprocessor
Methods and apparatus are provided for spread spectrum signal processing in a wireless communication system. The apparatus includes a control processor to generate commands for processing spread...
|
|
|
7433427 |
Enhanced denoising system utilizing incremental parsing
An apparatus for operating on a received signal that includes a noise-free signal that has been corrupted by a channel is disclosed. A memory stores a channel corruption function specifying the...
|
|
|
7430254 |
Matched detector/channelizer with adaptive threshold
A method of detecting a signal in an input channel of a receiver includes applying each of a plurality of pre-detection bandwidths to an input signal. The method can include deriving, in a cascaded...
|
|
|
7430253 |
Method and apparatus for interference suppression with efficient matrix inversion in a DS-CDMA system
The present invention is directed to signal cancellation in spread spectrum communication systems. In particular, the present invention provides method and apparatus for selectively canceling...
|
|
|
7430256 |
Method and apparatus for providing channel state information
A method an apparatus for providing channel state information in a receiver are described. In the method, direct channel state information may be generated based on a calculated error signal, and...
|
|
|
7430245 |
Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
Techniques for processing a data transmission at the transmitter and receiver. In an aspect, a time-domain implementation is provided which uses frequency-domain singular value decomposition and...
|