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| Patent # | Description |
|---|---|
| US-7,545,891 |
Carrier recovery architectures for multi input multi output orthogonal
frequency division multiplexing receivers A modem system for transmitting and receiving signals having a frequency domain equalizer (FEQ) being responsive to a plurality of received data symbols for... |
| US-7,545,890 |
Method for upstream CATV coded modulation The present invention provides an encoding method and a class of decoding methods that provide methods for high throughput and high robustness digital... |
| US-7,545,889 |
Blocker performance in a radio receiver Configuring a multiple stage band pass filter of a radio frequency receiver commences by setting a corner of a low pass mixer output filter that receives a down... |
| US-7,545,888 |
Apparatus for and method of controlling a digital demodulator coupled to
an equalizer A method of controlling a digital demodulator (922) coupled to an equalizer (930) includes the steps of generating an equalizer value (930A), filtering (944) the... |
| US-7,545,887 |
Synchronous detection method and device In a synchronous detection method, an input signal is averaged over at least first and second phase ranges of a target carrier wave within each period thereof to... |
| US-7,545,886 |
Method and apparatus for eye-opening based optimization An eye opening measurement technique, that does not interrupt a receiver's normal operation, is used as a metric for optimizing any selected parameters of the... |
| US-7,545,885 |
Compensation for the carrier frequency offset in a receiving apparatus,
which is designed for a plurality of... The present invention relates to a receiving apparatus for a mobile communications system which can be modulated using different modulation types at the... |
| US-7,545,884 |
Digital baseband modulation apparatus and demodulation apparatus A digital baseband modulation apparatus includes: a spread modulation part for complex spreading an I component signal and a Q component signal of a send signal... |
| US-7,545,883 |
Diversity wireless systems Diversity wireless system, processor, cross-correlator, transmit baseband filter and modulator for processing, cross-correlating, filtering, modulating and... |
| US-7,545,882 |
Transmission apparatus, reception apparatus and digital radio
communication method A transmission apparatus includes a frame configuration determiner that determines a modulation scheme, from among a plurality of modulation schemes. A first... |
| US-7,545,881 |
Method and apparatus for controlling spurious transmissions in a
communications system A method and a power control device moving the resynchronisation point within the guard period to coincide with a calculated reduction in the RF PA power level... |
| US-7,545,880 |
Multiple polynomial digital predistortion A system is provided for pre-distorting a transmit signal in a mobile terminal prior to amplification by a power amplifier to compensate for AM to AM and AM to... |
| US-7,545,879 |
Demodulation circuit and electronic device To be capable of receiving many data without increasing a transfer speed. A wave detector detects a radio signal RF received by an antenna. The radio signal RF... |
| US-7,545,878 |
Efficient circular clipping implementation using simplified CORDIC
rotators A system for the efficient use of CORDIC rotators is provided. The system includes at least one first rotator operating in vector mode and includes a sign... |
| US-7,545,876 |
Method for link adaptation Systems and methods for optimizing transmission of a plurality of data streams on a multiple-input multiple-output channel are described. The systems and methods... |
| US-7,545,875 |
System and method for space-time-frequency coding in a multi-antenna
transmission system A method for space-time-frequency coding pieces of data includes receiving a stream of a plurality of pieces of data in a multi-antenna transmission system,... |
| US-7,545,874 |
Apparatus for pre-scaling data packets with multiple signal gain
coefficients in a SIMO/MISO transceiver for... Apparatus and method for use in packet data communication from a single-input-multiple-output/multiple-input-single-output (SIMO/MISO) transceiver to a... |
| US-7,545,873 |
Radio transmission apparatus, radio reception apparatus and radio
transmission method A radio transmission apparatus capable of enhancing the diversity effect. In this apparatus, phase rotation section (102) performs phase rotation processing of... |
| US-7,545,872 |
Signal component demultiplexing apparatus, filter apparatus, receiving
apparatus, communication apparatus, and... A communication apparatus, a signal component demultiplexing apparatus, and a filter apparatus to reduce a load of FFT processing in a receiver in multi-carrier... |
| US-7,545,871 |
Discrete multi-tone system having DHT-based frequency-domain equalizer A discrete multi-tone (DMT) communication system is provided herein, replacing the conventional inversed discrete Fourier transform (IDFT) and DFT with IDHT... |
| US-7,545,870 |
Reception device A reception device according to the present invention receives a transmission frame including a synchronization symbol string, having a synchronization symbol... |
| US-7,545,869 |
Method of reducing the peak-to-average power ratio of a fourier
transform-generated multi-carrier signal in... A method for reducing the peak-to-average power ratio (PAR) of a multicarrier signal in transmitter/receiver systems. The method comprises the steps of:... |
| US-7,545,868 |
High bandwidth data transport system A method of data transmission provides for representing data using ultra wideband pulses, sending at least one pulse over an electrically conductive guided... |
| US-7,545,867 |
Adaptive channel bandwidth selection for MIMO wireless systems A wireless communications device for a multiple input multiple output wireless communications system includes a radio frequency transceiver that includes at... |
| US-7,545,866 |
Dual loop signal quality based link adaptation A communications link is adapted based on a quality estimate for a signal transmitted via the communications link. The method comprises receiving and... |
| US-7,545,865 |
Apparatus, methods and articles of manufacture for wideband signal
processing An apparatus for electromagnetic processing comprises a modulator for generating one or more elements representative of an input signal; a divider controlled by... |
| US-7,545,864 |
Apparatus for encoding and decoding header data in picture signal
transmission Control data subsequent to an extension start code is stored in an encoding apparatus when transmitted after each header data of a video sequence layer, a GOP... |
| US-7,545,863 |
Bidirectionally predicted pictures or video object planes for efficient
and flexible video coding A method is provided for decoding a bit stream representing an image that has been encoded The method includes the steps of: performing an entropy decoding of... |
| US-7,545,862 |
Adaptive equalizer, decoding device, and error detecting device For a waveform containing a partial response and distortion in only the leading-edge portion of inter-symbol interference (ISI) of a waveform equalized by a... |
| US-7,545,861 |
Timing recovery circuit and timing recovery method A timing recovery circuit for a receiver may include a timing error detector that generates a timing error based on differences between coefficients of a... |
| US-7,545,860 |
System and method of equalization of high speed signals In one aspect, the present invention is directed to a technique of, and system for enhancing the performance of high-speed digital communications through a... |
| US-7,545,859 |
Adaptive channel equalization technique and method for wideband passive
digital receivers An adaptive channel equalization technique and method for wideband passive receivers is disclosed that reduces and tends to minimize distortions caused by... |
| US-7,545,858 |
Method of measuring jitter frequency response A method of measuring jitter frequency response includes recovering a clock signal from a data input stream to provide a recovered clock signal and counting the... |
| US-7,545,857 |
Receiver architecture employing low intermediate frequency and complex
filtering A communications receiver architecture characterized by a relatively low intermediate frequency (IF) and a polyphase filter. The receiver includes an input... |
| US-7,545,856 |
Current mode phase shifter, mixer and amplifier An integrated circuit radio transceiver includes a phase shift block that is operable to produce a phase shifted current signal at an output of the phase shift... |
| US-7,545,855 |
Phase shifter and current mode mixer An integrated circuit radio transceiver comprises an integrated phase shift mixer for generating a phase and frequency shifted output signal to at least a... |
| US-7,545,854 |
Doppler corrected spread spectrum matched filter A method and apparatus for a spread spectrum matched filter with Doppler correction suitable for using in a radio frequency receiver. The system includes a... |
| US-7,545,853 |
Method of acquiring a received spread spectrum signal A method of acquiring a received spread spectrum signal, especially a GPS signal, is disclosed together with a spread spectrum signal receiver and a cellular... |
| US-7,545,852 |
System and method for adjusting combiner weights using an adaptive
algorithm in wireless communications system Method and apparatus to compute the combiner coefficients for wireless communication systems using an adaptive algorithm. One embodiment trains the weights on a... |
| US-7,545,851 |
Communication system with receivers employing generalized two-stage data
estimation A wireless transmit/receive unit (WTRU) is configure to receive and sample wireless signals in a shared spectrum where the wireless signal comprise encoded... |
| US-7,545,850 |
Analog compression of GPS C/A signal to audio bandwidth The present invention discloses analog methods and circuits for compression of the GPS C/A signal to audio bandwidths to improve TTFF times, as well as... |
| US-7,545,849 |
Signal spectrum spreading and combining system and method The present invention facilitates efficient and effective combination of multiple spread spectrum signals into a single stream. A spread spectrum signal... |
| US-7,545,848 |
High resolution time stamps for periodic samples A method and apparatus for collecting digital sample data from a target system accesses the digital sample data at transitions of a sample clock, acquires... |
| US-7,545,847 |
Frequency synthesizer applied to frequency hopping system A frequency synthesizer applied to a frequency hopping system includes a voltage controlled oscillator (VCO), a phase lock loop (PLL) system, a second frequency... |
| US-7,545,846 |
Interference cancellation in a spread spectrum communication system A code division multiple access communication system transmits a pilot and traffic signal over a shared spectrum. The pilot and traffic signal have an associated... |
| US-7,545,845 |
Wireless communication system, wireless transmitter, wireless receiver,
wireless communication method, wireless... The transmitting side encodes a digital signal to be transmitted by using a code not containing any DC component, and transmits the digital signal without using... |
| US-7,545,844 |
Use of Bragg grating elements for the conditioning of laser emission
characteristics Apparatus and methods for altering one or more spectral, spatial, or temporal characteristics of a light-emitting device are disclosed. Generally, such apparatus... |
| US-7,545,843 |
Ultra-high Q micro-resonator and method of fabrication A micro-cavity resonator including a micro-cavity capable of high and ultra-high Q values and a silicon substrate. Portions of the silicon substrate located... |
| US-7,545,842 |
Pre-ionizer for pulsed gas-discharge laser In a CO.sub.2 laser a pre-ionizer is assembled in a flange configured to be attached to a laser-gas enclosure of the laser over an aperture in a wall of the... |
| US-7,545,841 |
Composite material with proximal gain medium An apparatus and related methods are described, the apparatus comprising a composite material layer configured to exhibit at least one of a negative effective... |
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